20210207015500.0 http://www.faschem.org/index.php?option=com_content&task=view&id=25&Itemid=47 2227-5835 https://www.ajol.info/index.php/ajce 2227-5835 African journal of chemical education. African journal of chemical education. 2227-5835 African journal of chemical education 2227-5835 2227-5835 African journal of chemical education http://www.faschem.org/files/Journal.html