Huq, K., Hossain, M., & Huda, M. (2007). Abundance and feeding ecology of freshwater apple <i>Pila globosa</i> (Swinson) in <i>beel</i> ecosystem of Gopalgonj. University Journal of Zoology, Rajshahi University, 21, 35–36. Retrieved from https://banglajol.info/index.php/UJZRU/article/view/60