Adewale S. Utilisation of audiovisual aids in the teaching and learning of business studies in secondary schools in Lagos State, Nigeria. jbpd [Internet]. 2024 Jul. 30 [cited 2024 Nov. 22];8(2):175-84. Available from: http://ejournal.unikama.ac.id/index.php/JBPD/article/view/10167