Pandayu, A., B. Murti, and P. -. “Effect of Personal Factors, Family Support, Pocket Money, and Peer Group, on Smoking Behavior in Adolescents in Surakarta, Central Java”. Journal of Health Promotion and Behavior, vol. 2, no. 2, June 2017, pp. 98-111, https://thejhpb.com/index.php/thejhpb/article/view/42.