Rahmadani Fitri, S., Anhar, A., Advinda, L. and Violita, V. (2022) “The Response Of The Growth Of Robusta Coffee (Coffea Canephora. L) That Received Treatment Of Time Of Immersion And Concentration Of Sulphic Acid (H2SO4)”, Jurnal Serambi Biologi, 7(4), pp. 331-338. doi: 10.24036/srmb.v7i4.67.