[1]
Daniel Noviardi Sitorus, Sakti Hutabarat, and Didi Muwardi, “Efisiensi Biaya Peremajaan Kelapa Sawit Pola Swadaya di Desa Sei Putih: Cost Efficiency of Self-help Pattern of Oil Palm Rejuvenation in Sei Putih Village”, JT, vol. 14, no. 1, pp. 114–126, June 2023.