(1)
Handayani, S.; Nasution, A.; Ramayana; Sufriadi; Atikah, Q.; Bagio; Yusmaniar. Quantitative Descriptive Study on the Contribution of Oil Palm Farming Income to Farmers’ Household Expenditures. jppipa, pendidikan ipa, fisika, biologi, kimia 2025, 11, 198-207.