Majid, Karima, Sri Mulyani, Maria Ulfa, and Ari Syahidul Shidiq. “The Differentiated STEM Approach in Problem-Based Learning: Can It Enhance students’ Critical Thinking Skills in Basic Chemistry Laws”. Jurnal Pendidikan Kimia 16, no. 3 (December 30, 2024): 257 – 262. Accessed July 6, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/65175.