Bintang Kejora, Muhamad Taufik, Diding Nurdin, and Eka Prihatin. “Blue Ocean Strategy: Review of Applications at Nature Elementary School Purwakarta”. AL-ISHLAH: Jurnal Pendidikan 16, no. 1 (March 23, 2024): 428–439. Accessed October 13, 2026. https://www.alishlah.ahfpublishing.id/alishlah/article/view/4071.