Birsyada, M. I., Kintoko, K., & Mehta, K. (2021). Motorbike gang network in Yogyakarta: Socio-cultural studies between the relation of moral and religion habituation of local teenagers. Harmoni Sosial: Jurnal Pendidikan IPS, 8(1), 34–44. https://doi.org/10.21831/hsjpi.v8i1.39894