Alam, Shariq Mahmood, Muhammad Arshad Ullah, Syed Ishtiaq Haider, Nausherwan N. Nawab, Syeda Sana Aamir, and Imdad Ali Mahmood. “Effect of Farm Yard Manure and Planting Densities on Growth, Yield and Quality of Okra under Natural Farming”. Horticultural Biotechnology Research 5 ( ): 14-16. Accessed April 1, 2020. https://updatepublishing.com/journal/index.php/hbr/article/view/5500.