TEKNOLOGI TUMPANGSARI KARET - TANAMAN PANGAN: KENDALA DAN PELUANG PENGEMBANGAN BERKELANJUTAN / Technology of Rubber-Crop Intercropping: Constraints and Opportunities of Sustainable Development - Sahuri, Sahuri; Balai Peneltian Sembawa, Pusat Penelitian Karet (Badan Penelitian dan Pengembangan Pertanian, 2019)