Manh, Vu Quang, and Le Thi Bich Lam. 2012. “Morphological Sexual Characteristics of the Giant Water Bug Lethocerus Indicus (Lepeletier Et Serville, 1825) and Their Habitats in Vietnam”. Academia Journal of Biology 34 (2):166-72. https://doi.org/10.15625/0866-7160/v34n2.953.