Winesday Rindu, Gustian, and Wulan Kumala Sari. 2021. “Keragaman Karakteristik Morfologis Tanaman Kakao (Theobroma Cacao L.) Di Kecamatan Harau Kabupaten Lima Puluh Kota”. Jurnal Riset Perkebunan 2 (1):22-31. https://doi.org/10.25077/jrp.2.1.22-31.2021.