HAYATUNNUFUS, G.; SUPARDI, S. DEVELOPMENT OF LEARNING TOOLS USING THE ECIRR MODEL ON COLLOID MATERIAL TO IMPROVE SCIENCE PROCESS SKILLS. Journal of Higher Education and Academic Advancement, [S. l.], v. 2, n. 9, p. 390–399, 2025. DOI: 10.61796/ejheaa.v2i9.1370. Disponível em: https://journal.antispublisher.id/index.php/EJHEAA/article/view/1370. Acesso em: 12 oct. 2025.