M. Sajid, M. A. Khan, A. Rab, S. N. M. Shah, M. Arif, I. Jan, Z. Hussain, and M. Mukhtiar. "IMPACT OF NITROGEN AND PHOSPHORUS ON SEED YIELD AND YIELD COMPONENTS OF OKRA CULTIVARS." Journal of Animal and Plant Sciences, vol. 22, no. 3, 2012, pp. 704-707.