Rohde, K., and N. A. Watson. “Ultrastructure of the Terminal Parts of the Protonephridial System of Baltoplana Magna (Platyhelminthes, Kalyptorhynchia, Schizorhynchia, Karkinorhynchidae)”. Malaysian Journal of Science 15, no. 1&2 (June 27, 1994): 13–19. Accessed December 23, 2024. https://ajap.um.edu.my/index.php/MJS/article/view/4739.