Astika, Fani, Yuli Kurniawati Sugiyo Pranoto, and Petra Kristi Mulyani. “Environmental Conservation Values in an Early Childhood Curriculum Document: A Qualitative Content Analysis”. AL-ISHLAH: Jurnal Pendidikan 18, no. 3 (July 24, 2026): 3394–3404. Accessed October 12, 2026. https://www.alishlah.ahfpublishing.id/alishlah/article/view/9011.