Lal, R. K. “Genetic Variability for Clonal Selection in Java Citronella (Cymbopogon Winterianus Jowitt.)”. Journal of Spices and Aromatic Crops, vol. 11, no. 1, June 2002, pp. 41-44, https://updatepublishing.com/journal/index.php/josac/article/view/4619.