INSTANT NASI TUM INNOVATION WITH VARIATION MATERIAL TO IMPROVE CHEMICAL REACTION LEARNING PROCESS AND STUDENT PRENEURSHIP. SPEKTRA: Jurnal Kajian Pendidikan Sains, [S. l.], v. 10, n. 2, p. 337–346, 2024. DOI: 10.32699/spektra.v10i2.8141. Disponível em: https://ojs.unsiq.ac.id/index.php/spektra/article/view/8141. Acesso em: 27 nov. 2025.