MulyantoL. and JayaI. N. S., “Analisis Spasial Degradasi Hutan dan Deforestasi: Studi Kasus di PT. Duta Maju Timber, Sumatera Barat (Spatial Analysis on Forest Degradation and Deforestation : a case study in Duta Maju Timber, West Sumatera)”, J Man Hut Trop, vol. 10, no. 1, 1.