Keter, John K, and Ronoh P K. “IMPACT OF COOPERATIVE MASTERY LEARNING APPROACH ON STUDENTS’ ACADEMIC ACHIEVEMENT IN CHEMISTRY BY GENDER IN BOMET COUNTY, KENYA”. American Journal of Education and Practice 1, no. 1 (November 28, 2016): 49–58. Accessed July 3, 2024. https://ajpojournals.org/journals/index.php/AJEP/article/view/92.