Siregar, Elda Sari, et al. “RESPONSE OF ORGANIC FERTILIZER OF BAMBOO BAMBOO AND VEGETABLE COMPOST ON VEGETATIVE GROWTH OF ROBUSTA COFFEE (CoffeaCanephora) ”. Jurnal Online Pertanian Tropik, vol. 9, no. 2, Aug. 2022, pp. 106-13, doi:10.32734/jopt.v9i2.9010.