Surahman. “Strategi High Quality Environment to Reach Optimum Performance (HERO) Dalam Peningkatan Mutu Pendidikan”. Jurnal Pijar: Pendidikan dan Pembelajaran 1, no. 1 (June 20, 2023). Accessed September 20, 2024. https://ejournal-leader.com/index.php/pijar/article/view/120.