S.-H. Ting, S. H. Ibrahim, R. Affandi, A. Baharun, W. A. W. Z. Abidin, and E. Ui-Hang Sim, “Lifelong Learning for Personal and Professional Development in Malaysia”, Hum. Behav. Dev. Soc., vol. 12, no. 2, pp. 6–23, Mar. 2019.