Kasem Kongnirundonsuk และ Vacharobon Thirakhupt. (2014) Biology of Xenylla SP. (Collembola : Hypogastruridae) and effects of effective microorganism (EMtm) on its demography. Mahidol University:ม.ป.ท.Kasem Kongnirundonsuk และ Vacharobon Thirakhupt. 2014. Biology of Xenylla SP. (Collembola : Hypogastruridae) and effects of effective microorganism (EMtm) on its demography. ม.ป.ท.:Mahidol University;Kasem Kongnirundonsuk และ Vacharobon Thirakhupt. Biology of Xenylla SP. (Collembola : Hypogastruridae) and effects of effective microorganism (EMtm) on its demography. ม.ป.ท.:Mahidol University, 2014. Print.