MUHAMMAD NOMAN KHAN, Siddiq Akbar, Neelam Ara, et al.
 15. Effect of biofertilizer, zinc and boron on growth and yield of okra under the agro climatic conditions of Swat.
<strong>Pure and Applied Biology (PAB)</strong>, [S.l.], v. 8, n. 2, p. 1135-1149, may 2019.
ISSN 2304-2478.
Available at: &lt;<a href="https://thepab.org/index.php/journal/article/view/882" target="_new">https://thepab.org/index.php/journal/article/view/882</a>&gt;. Date accessed: 19 apr. 2025.