MINH, V.T.N. , HUYEN, N.T.T. , NHUNG, C.T.H. , GIANG, V.T.H. and MY, D.T. 2025. Evaluation of the Impacts of Play Activities on the Formation and Development of Cooperative Skills in Preschool Children Aged 5-6 Years: Scientific Evidence from Experimental Study in Vietnam . Journal of Ecohumanism. 3, 8 (Jan. 2025), 10454 –. DOI:https://doi.org/10.62754/joe.v3i8.5659.