Pinich Wangsomnuk. (1997) Structural changes in digestive, reproductive, respiratory and nervous systems of Indoplanorbis exustus (Mollusca : Gastropoda) induced by molluscicides. Mahidol University,:ม.ป.ท.Pinich Wangsomnuk. 1997. Structural changes in digestive, reproductive, respiratory and nervous systems of Indoplanorbis exustus (Mollusca : Gastropoda) induced by molluscicides. ม.ป.ท.:Mahidol University,;Pinich Wangsomnuk. Structural changes in digestive, reproductive, respiratory and nervous systems of Indoplanorbis exustus (Mollusca : Gastropoda) induced by molluscicides. ม.ป.ท.:Mahidol University, 1997. Print.