According to Wilmot and Hocker, Conflict is “an expressed struggle between at least two interdependent parties who perceive incompatible goals, scare resources [9] , and interference from others in achieving their goals”. Work place refers to the physical location, settings, in which tasks are performed or interaction of people, in a process, system of producing services and goods to achieve organization objectives [10] . Therefore, conflict at work place can defined as struggle between workers and customer they serve as well as between co-workers, either between individuals or between groups [6] [11] [12] . Changed conflict into opportunity to strength relationship between various stake holders in organization and improve the organization performance as whole that, is called Conflict management [13] .

Conflicts may come from different sources, in an organization source conflict including; deference in beliefs, deference in interests, values and perceptions, deference in desires or differences in information; Also, scarcity of resources causing rivalries among individuals, group, firms and organization competing one another [4] [6] [14] . According to Gibson, Ivancevich and Donnelly, factors causing conflict among co-worker “include among others the work interdependence when two or more organizational groups depend on one another to complete their tasks, differences in goals, limited resources, reward structures, difference in perceptions, unfair treatment as well as leadership management aspect” [15] .

According to Walker and Harris, Conflict management is practical if the organization will be encouraging behavioral approach to deal with Workplace Conflicts [15] . These behavioral approaches include; approach to avoiding perceptions and feelings of some is wrong somewhere so has to change, an approach of team work communicating the task together to solve a problem in group, an approach to exhibiting professions in solving problem and differences, an approach of identifying the potentiality of each team member in solving problems, shares feelings, accepting the reaction of each member in a group, treating each other with respect, negotiating instead of forcing are the best approaches to manage Workplace Conflicts [8] [15] [16] .

A working place brings together individuals of different levels and sets skills, knowledge and education, also from different back ground in terms of beliefs, values, interests, or desires [16] . Professionalism can help to create calm environment at work place and provide a framework for problem and conflict solving at work places sustainably [7] . Professionalism is all about communicating appropriately and effectively, being ethical and responsible, demonstrating interpersonal, and problem-solving skills, being productive and team oriented [7] . It is also, including time management, being honesty, and integrity standard and high-quality work, dress appropriately for the job and appearing net and clean, conducting oneself with accountability, excellence and responsibility [16] .

According to Marilyn Lindblad, Professionalism in an organization or at workplace refers to collections of an individual’s characters, skills, standard behavior, attitude and team sprits that, brings individuals and groups to work in harmony with each other hence better organization performance [8] . Professionalism package conveys an air of accountability, excellence responsibility, competence, respect, efficiency and confidence; “The more professional you look, the more professional you feel, and the more professional and credible you’ll appear to others” [7] .

According to Louisiana State Civil Service, Professionalism a major component of assessing the interaction of an individual at workplace, a person exhibiting professional behavior at workplace can easily win credibility and confidence from others hence less conflict. Establishing and maintaining harmony environment at workplace is an important aspect for every employee; though it requires professional behavior practices [7] [16] .

According to Dr Katherine Schaefer, badly handled conflict at workplace can create disaster, if professionalism approaches is not applied in handling conflict at work place and not embraced is solving problems, things can gate worse [17] . Also, Dr Katherine Schaefer insisted professionalism approaches in handling conflict by saying, “Once you fully understand, then you can speak” this is exhibition of professional behavior. There for, embracing professionalism approaches for sustainable Workplace Conflicts management in today’s Business Environment, is inevitable [18] .