Sari, T. D. R., D. Chalil, and L. Lindawati. “Beyond Fertilizers and Labor: Understanding Socioeconomic Drivers of Technical Efficiency Among Smallholder Oil Palm Farmers”. Baileo: Jurnal Sosial Humaniora, Vol. 3, no. 2, Oct. 2025, pp. 276-94, doi:10.30598/baileofisipvol3iss2pp276-294.