Bilardo, T. dan Haslinda, H. 2026. The Role of Grandmothers in Child-Raising in the Era of Urbanization: Transformation of Traditional Family Values in Medan City. Journal of Contemporary Gender and Child Studies. 5, 1 (Apr 2026), 450–456. DOI:https://doi.org/10.61253/jcgcs.v5i1.558.