Rani, N. A., Fitrihidajati, H., Candra, A., & Nurcholis. (2026). Effectiveness of the Plastic-Free Campus Movement in Promoting Sustainable Lifestyles and Supporting SDG 12.5 among Biology Students. Indonesian Journal of Mathematics and Natural Science Education, 7(1), 25–48. https://doi.org/10.35719/mass.v7i1.247