Sandi Peratama , Idris, Sauri Sofyan, Rostini Deti, and Mastiani Emay. “Implementation Of School Principals in Marketing Mix As An Effort to Increase the Number of New Students in Private Junior High Schools: (A Qualitative Study in Yamisa Junior High School and Soreang Putera Junior High School, Bandung Regency)”. History of Medicine 9, no. 1 (February 28, 2023). Accessed September 27, 2024. http://13.200.237.241/HOM/index.php/medicine/article/view/674.