Sandi Peratama I, Sofyan S, Deti R, Emay M. 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). HOM. 2023;9(1). Accessed June 23, 2025. https://historymedjournal.com/HOM/index.php/medicine/article/view/674