SHAR, Ghulam Qadir et al.
Investigation of Essential Metals in Branch, Pericarp and Seed of three Date Varieties at Different Maturity Stages.
<strong>Pakistan Journal of Analytical &amp; Environmental Chemistry</strong>, [S.l.], v. 16, n. 2, p. 11, june 2015.
ISSN 2221-5255.
Available at: &lt;<a href="http://pjaec.pk/index.php/pjaec/article/view/106" target="_new">http://pjaec.pk/index.php/pjaec/article/view/106</a>&gt;. Date accessed: 20 feb. 2020.