Effects of Scaffolding using 70:20:10 Model on Performance and Retention in Genetics Concept among Secondary School Biology Students in Zamfara State, Nigeria. foefujs [Internet]. 2026 May 31 [cited 2026 Jul. 24];3(2):316-29. Available from: https://js.foefugusau.com.ng/index.php/foefujs/article/view/446