A. R. Hakim, A. L. Indrayanti, and N. Chandrawijaya, “Analisis Perhitungan Harga Pokok Produksi Dan Kelayakan Usaha Sedotan Prupuk (Phragmites karka (Retz) Trin ex Steud) Di Desa Tumbang Nusa, Pulang Pisau: The Calculation of Cost of Production and Feasibility Study of Prupuk (Phragmites karka (Retz) Trin ex Steud) Straw Production in Tumbang Nusa Village, Pulang Pisau”, Daun J Pertanian Kehutanan, vol. 6, no. 2, pp. 90–104, Feb. 2020.