PANDEY, R. “Seasonal Variation in Population of Phytonematodes Associated With Peppermint (Mentha Piperita L.) and Spearmint (Mentha Spicata L.)1”. Journal of Spices and Aromatic Crops, vol. 6, no. 2, Dec. 1997, pp. 149-51, https://updatepublishing.com/journal/index.php/josac/article/view/4405.