S. Saprullah, A. Zainuri, and F. Febriyanti, “ANALYSIS OF THE IMPLEMENTATION OF EDUCATIONAL SERVICES MARKETING IN PRIVATE ISLAMIC JUNIOR HIGH SCHOOLS IN SOUTH SUMATRA: CASE STUDIES OF SMP PLUS ISLAM AL-FAHD JAKABARING AND SMP IT SYAJARUL QUR’AN GELUMBANG”, jkpi, vol. 7, no. 1, pp. 211–221, Dec. 2025.