Chintana Yangyuen. (1993) Utilization of Azolla species as feed for Thai silver barb, Puntius gonionotus (Bleeker). Mahidol University,:ม.ป.ท.Chintana Yangyuen. 1993. Utilization of Azolla species as feed for Thai silver barb, Puntius gonionotus (Bleeker). ม.ป.ท.:Mahidol University,;Chintana Yangyuen. Utilization of Azolla species as feed for Thai silver barb, Puntius gonionotus (Bleeker). ม.ป.ท.:Mahidol University, 1993. Print.