TY - BOOK AU - Qixiang, Xu TI - Communities of practice (COP) - based professional development program on classroom leadership for junior high school teachers in Guizhou Province, China PY - 2025/// CY - MMSU PB - ULS N1 - Thesis ( Master of Arts in Education major in Educational Management) - Mariano Marcos State University Graduate School, Laoag City, 2025; Bibliography : leaves 59-63 ER -