Cahyono, Agus. “PENGEMBANGAN MODEL SUPERVISI AKADEMIK BERBASIS TOTAL QUALITY MANAGEMENT DI SMP NEGERI DI KABUPATEN TULUNGAGUNG PROVINSI JAWA TIMUR”. Educational Management 3, no. 2 (1). Accessed December 5, 2024. http://journal.unnes.ac.id/sju/eduman/article/view/4382.