Ahmad, Gufran, and Abrar Ahmad Khan. 2016. “Fly Ash Effect on Hatching, Mortality and Penetration of Root-Knot Nematode (Meloidogyne Incognita) in Pumpkin Roots”. International Journal of Environment 5 (3):66-73. https://doi.org/10.3126/ije.v5i3.15705.