Bintang Kejora, Muhamad Taufik, Diding Nurdin, and Eka Prihatin. 2024. “Blue Ocean Strategy: Review of Applications at Nature Elementary School Purwakarta”. AL-ISHLAH: Jurnal Pendidikan 16 (1):428-39. https://doi.org/10.35445/alishlah.v16i1.4071.