N. O. Yakubu, S. B Olorukooba, and M.A. Lakpini. 2020. “Effects of Concept - Mapping Strategy on Reflective Thinking and Academic Performance in Mole - Concept Among Secondary School Chemistry Students, Kaduna State, Nigeria”. JOURNAL OF ARTS AND EDUCATION 8 (1):252-67. https://ojs.ibbujournals.com.ng/index.php/jolae/article/view/1065.