Pauzi, Rizqi Yanuar, and Sistiana Windiaryani. “The Critical Thinking Skills on Global Warming Issue: Effect of the Socio-Scientific Problems Approach on Problem-Solving Toward student’s”. Biosfer: Jurnal Pendidikan Biologi, vol. 14, no. 2, Oct. 2021, pp. 228-37, doi:10.21009/biosferjpb.19963.