King, J.H., Khadijah, B. and Ong, K.H. 2021. Producing Black Pepper (Piper Nigrum L. cv. ‘Kuching’) Rootstock in a Deep-Water Culture Hydroponic System. Borneo Journal of Resource Science and Technology. 11, 2 (Dec. 2021), 88–97. DOI:https://doi.org/10.33736/bjrst.3367.2021.