Nguyen Thi Trieu Tien and Nguyen Thi Dieu Ha (2019) “ THE ROLE, CHARACTERISTIC AND SIGNIFICANCE OF OBSERVATIONAL SKILL OF CHILDREN AGED 5 YEARS TO 6 YEARS OLD”, UED Journal of Social Sciences, Humanities and Education, 9(1), pp. 117-122. doi: 10.47393/jshe.v9i1.166.