A. Mulyadiprana, G. Hamdu, and A. Yulianto, “STEL (System Thinking and ESD Learning) Model : Developing Elementary School Students’ Systems Thinking Skills”, j. kependidikan. has. penelit. kaji. kepustakaan. bid. pendidik. pengajaran. n.a., vol. 10, no. 4, pp. 1665–1674, Dec. 2024.