Marimuthu, S. et al. 2020. Sosioekonomi keluarga sebagai faktor pendorong gejala gengsterisme murid India Pendidikan Moral di sekolah menengah [Family socioeconomic status as an impulse factor of gangsterism among Indian Moral Education student in secondary school]. Muallim Journal of Social Sciences and Humanities. 4, 4 (Oct. 2020), 60–78. DOI:https://doi.org/10.33306/mjssh/97.