MASAGCA, J. T., and J. A. ORDONEZ. “KARYOMORPHOLOGY OF THE PHILIPPINE ROCK GOBY, Glossogobius Giuris (GOBIIDAE) FROM LAKE TAAL AND SOME RIVERS OF CAVITE, LUZON ISLAND”. BIOTROPIA, no. 21, Nov. 2011, doi:10.11598/btb.2003.0.21.185.