BHARDWAJ, A.C., and NEELAM TYAGI. 1992. “MALATHION INDUCED MORPHOBEHAVIOURAL CHANGES IN PANTALA FLAVESCENS FABR. (ODONATA : LIBELLULIDAE)”. UTTAR PRADESH JOURNAL OF ZOOLOGY 12 (1):1-4. https://www.mbimph.com/index.php/UPJOZ/article/view/1021.