SALMAN, Mohamed Alwan.
 Use of Pollen Supplements and Substitutes in Feeding of Honey Bee colonies,  Apis mellifera  L. During Summer Season.
<strong>Journal of Kerbala for Agricultural Sciences</strong>, [S.l.], v. 1, n. 1, p. 109- 121, mar. 2013.
ISSN 2616-6933.
Available at: &lt;<a href="https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/339" target="_new">https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/339</a>&gt;. Date accessed: 15 nov. 2019.