Irsyad, C. R., Sonhadji, A., Degeng, I. N. S., & Arifin, I. (2017). LEADERSHIP OF MULTICULTURAL LEARNING IN IMPROVING SOCIAL SOCIAL TEACHER COMPETENCY IN THE SURABAYA CITY, INDONESIA. IJRDO- Journal of Educational Research, 2(8), 54-65. https://doi.org/10.53555/er.v2i8.342