Ghaffar, A. et al. 2021. EFFECT OF NITROGEN APPLICATION METHODS ON THE GROWTH AND YIELD OF RIDGE GOURD (LUFFA ACUTANGULLA). Pakistan Journal of Biotechnology. 18, (1-2) (Jul. 2021), 23–29. DOI:https://doi.org/10.34016/pjbt.2021.18.1-2.23.