Mayadevi, Ks <br/><br/>
Studies on two ornamental fishes the blue gourami, Trichogaster trichopterus(Pallas) and pearlgourami, Trichogaster leer / 

 - Trivandrum :  1997. 
<br/><br/>Thesis (Ph.D.)-- ,  Aquatic Biology, University of Kerala, 1997.