Robianto, . and Supijatno, . 2017. Sistem Penyadapan Karet (Hevea brasiliensis Muell. Arg.) di Tulung Gelam Estate, Sumatera Selatan. Buletin Agrohorti. 5, 2 (May 2017), 274–282. DOI:https://doi.org/10.29244/agrob.v5i2.16808.