Purnomo, V. D. ., and K. E. . Suryono. “Identification of Juvenile Delinquency Behavior in the City of Yogyakarta”. Formosa Journal of Multidisciplinary Research, vol. 2, no. 2, Feb. 2023, pp. 437-52, doi:10.55927/fjmr.v2i2.3094.