Kristian T. Carvajal, Rose Belle A. Garcia, Pearly May S. Salvador, Frederick F. Patacsil. Improvisation Of Visual Aids On Organ Systems Using Recyclable Materials: A Step-By-Step Instructional Guide. Elementary Education Online [Internet]. 2023 Dec. 9 [cited 2024 Dec. 22];21(1):169-8. Available from: https://ilkogretim-online.org/index.php/pub/article/view/88