Cukingnan, A., & 		Pagulayan, R.
(2007).
 Anatomy of the Digestive System of <I>Radix</I> sp. (Bassomatophora: Lymnaeidae) from Lake Taal, Batangas.
<em>Science Diliman: A Journal Of Pure And Applied Sciences, </em>.
Retrieved from <a href="https://journals.upd.edu.ph/index.php/sciencediliman/article/view/270" target="_new">https://journals.upd.edu.ph/index.php/sciencediliman/article/view/270</a>