Mayor, A. D., Ancog, R. C., Guerrero, R. D., Camacho, M. V. C. (2016). 'Environmental factors influencing population density of freshwater clam Batissa violacea (Bivalvia) (Lamarck, 1818) in Cagayan River, Northern Philippines', Int. J. of Aquatic Science, 7(2), pp. 63-72.