Murni, Y. et al. 2019. Relationship Training and Supervision with at Risk Behavior on Dump Truck’s Driver: Hubungan Pelatihan Dan Pengawasan Dengan At Risk Behavior Pada Pengemudi Mobil Sampah . Jurnal kesehatan komunitas (Journal of community health). 5, 1 (Apr. 2019), 19–22. DOI:https://doi.org/10.25311/keskom.Vol5.Iss1.177.