Dr. Duong ThiThanh Thanh, Dr. Phan Quoc Lam, Dr. Ho Quang Hoa, Dr. PhungQuang Duong, “FOSTERING OF PROFESSIONAL GROUP LEADERS AT PRIMARY SCHOOLS USING COMPETENCY-BASED APPROACH”, J Arch.Egyptol, vol. 17, no. 7, pp. 11908-11930, Nov. 2020.