Asshaf, Mhd. Nur. 2020. “Analysis of Work Accident Risk Factors in Palm Tree Tapping Farmers or Arenga Pinnata Using Hazard Identification Risk Assessment and Risk Control Methods”. Jurnal Penelitian Perawat Profesional 2 (3), 325-36. https://doi.org/10.37287/jppp.v2i3.148.