Mai Quoc Dung and Nguyen Phuoc Trong 2022. Improving the effectiveness of socialization work in the field of education: A case study in Vietnam for the period 1997-2021. Contemporary Educational Researches Journal. 12, 2 (May 2022), 132–141. DOI:https://doi.org/10.18844/cerj.v12i2.6463.