AMM Qurrota A’yun and Nyong Eka Teguh Imam Santosa 2020. Principal Strategy in Developing Positioning In Junior High School of Muhammadiyah Boarding School (MBS) Jombang. International Journal on Integrated Education. 3, 8 (Aug. 2020), 174-179. DOI:https://doi.org/10.17605/ijie.v3i8.559.