Training management capacity for professional group leaders in secondary schools in Ninh Giang district, Hai Duong province - 14
33. Hoang Manh Tung (2014), Managing skills training activities for primary school principals in Lang Son province , masters thesis, Thai Nguyen University of Education. 34. UNESCO (2000), Planning Education for All , Hanoi Publishing House. 35. Institute of Linguistics (1992), Vietnamese ...