YUSNI, D.; SANJAYA, Y.; KUSNADI, K. Enhancing Students’ Critical Thinking Skills Through Problem-Based Learning Values Clarification Technique (PBLVCT) on The Human Respiration System Concept. Journal of Natural Science and Integration, [S. l.], v. 6, n. 2, p. 297–310, 2023. DOI: 10.24014/jnsi.v6i2.31382. Disponível em: https://dev-ojs.uin-suska.ac.id/index.php/JNSI/article/view/31382. Acesso em: 9 jul. 2025.