Astuti , L.T.W. et al. 2023. Pengaruh Karakteristik Sosial Ekonomi Petani terhadap Penerapan Rekomendasi Pemupukan untuk Keberlanjutan Usaha Kelapa Sawit di Kecamatan Babalan: The Effect of Farmer Social Economic Characteristics on The Application of Fertilizer Recommendations for The Sustainability of The Palm Oil Farming. Jurnal Penyuluhan. 19, 02 (Oct. 2023), 319–334. DOI:https://doi.org/10.25015/19202345324.