APA (7th ed.) Citation

Simalangon, R., sulistyawaty, S., & Pakpahan, k. Enforcement Of Environmental And Forestry Laws Against Tapping Of Pine Sap In Samosir Regency, North Sumatra. LPPM Universitas Malikussaleh.

Chicago Style (17th ed.) Citation

Simalangon, Roiman, Sri sulistyawaty, and kartina Pakpahan. Enforcement Of Environmental And Forestry Laws Against Tapping Of Pine Sap In Samosir Regency, North Sumatra. LPPM Universitas Malikussaleh.

MLA (9th ed.) Citation

Simalangon, Roiman, et al. Enforcement Of Environmental And Forestry Laws Against Tapping Of Pine Sap In Samosir Regency, North Sumatra. LPPM Universitas Malikussaleh.