Molaudi Gordon Khauoe, et al. “EVALUATING THE EFFECTIVENESS OF PERFORMANCE APPRAISALS AND THE IMPACT OF PERFORMANCE REMUNERATION ON EMPLOYEES’ MOTIVATION: A CASE STUDY OF A CHEMICALS AND WASTE MANAGEMENT BRANCH AT THE DEPARTMENT OF ENVIRONMENTAL AFFAIRS (SOUTH AFRICA)”. Singaporean Journal of Business Economics and Management, vol. 3, no. (9), Sept. 2015, pp. 10-44, https://singaporeanjbem.com/index.php/SJBEM/article/view/276.