Pantua et al., 1992. International Rice Research Newsletter, 17 (1): 27

Pantua, P. C.; Mercado, S. V.; Lanting, F. O.; Nuevo, E. B., 1992. Use of ducks to control golden apple snail Ampullarius (Pomacea canaliculata) in irrigated rice. International Rice Research Newsletter, 17 (1): 27