RAFIQUE, M., and F. M. CHAUDHARY. “?Seasonal Variations in the Composition of Essential Oil of Eucalyptus Citriodora of Pakistan ?”. Biological Sciences - PJSIR, vol. 39, no. 1-4, Feb. 1996, pp. 83-84, https://v2.pjsir.org/index.php/biological-sciences/article/view/2380.