Minnaar, K., and H. Bouwman. “Effects of Bt Maize on the Reproduction and Development of the Freshwater Snail <i>Bulinus Tropicus<I/>”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 31, no. 1 (June 7, 2012): 1 bladsy. Accessed March 29, 2024. http://satnt.ac.za/index.php/satnt/article/view/330.