“PENGARUH POC DAUN GAMAL TERHADAP PERTUMBUHAN BIBIT BATANG BAWAH KARET (Hevea Brasiliensis Muella Arg) KLON PB 260”. 2022. Journal of Agro Plantation (JAP) 1 (2): 84-92. https://doi.org/10.58466/jap.v1i2.1243.