Circular No. 20/2002/TT-BGDDT dated April 12, 2002 of the Ministry of Education and Training guiding the issuance of diploma and certificate duplicates and the certification of other papers in the educational field

Circular No. 20/2002/TT-BGDDT dated April 12, 2002 of the Ministry of Education and Training guiding the issuance of diploma and certificate duplicates and the certification of other papers in the educational field