B. T. Premono and S. Lestari, “FINANCIAL ANALYSIS ON AGROFORESTRY SYSTEM OF COFFEE WITH MARRANGO TREE (Azadirachta excelsa Jack.) IN REJANG LEBONG REGENCY, BENGKULU PROVINCE, INDONESIA”, Ina.J.For.Res, vol. 5, no. 1, pp. 45–56, Apr. 2018.