Ngu, Kee Shing, et al. “Pandangan Pelajar Terhadap Program Intergenerasi Untuk Warga Emas: Student’s Perception on the Intergenerational Programs for the Elderly ”. Evaluation Studies in Social Sciences, vol. 1, no. 2, Nov. 2020, pp. 19-24, https://doi.org/10.37134/esss.vol1.2.3.2020.