Effect of Multimedia Instruction on Students’ Motivation in the Respiratory System Concept in Biology: Evidence from Zaria Education Zone, Kaduna State, Nigeria. Journal of Advanced Multidisciplinary Studies (JAMS), [S. l.], v. 1, n. 2, p. Page 2068–2077, 2026. Disponível em: https://jamsjournal.org/JAMS/article/view/217. Acesso em: 4 oct. 2026.