AzizS.A., GhulamahdiM. and AfridaA. 2012. The Effect of Phosphorous Fertilization on Indian Pennyworth (Centella asiatica L. Urban) in High Altitude. Jurnal Hortikultura Indonesia (JHI). 2, 1 (Feb. 2012), 1-5. DOI:https://doi.org/10.29244/jhi.2.1.1-5.