Muhammad Noman Khan, S., Sattar, S., Ali, R., & Amir Zeb, R.
(2019).
15. Effect of biofertilizer, zinc and boron on growth and yield of okra under the agro climatic conditions of Swat.
Pure And Applied Biology (PAB), 8(2), 1135-1149.
Retrieved from https://thepab.org/index.php/journal/article/view/882