Weerasak Roongruangwongse. 1991. Improvement in the feed value of water hyacinth (Eichhornia crassipes, Mart.) by fermentation with filamentous fungi (Pleurotus ostreatus). Faculty of Graduate Studies, Mahidol University;
Weerasak Roongruangwongse. (1991) Improvement in the feed value of water hyacinth (Eichhornia crassipes, Mart.) by fermentation with filamentous fungi (Pleurotus ostreatus) . Mahidol University/Bangkok.
Weerasak Roongruangwongse. Improvement in the feed value of water hyacinth (Eichhornia crassipes, Mart.) by fermentation with filamentous fungi (Pleurotus ostreatus). . Bangkok:Mahidol University, 1991.
Weerasak Roongruangwongse. (1991) Improvement in the feed value of water hyacinth (Eichhornia crassipes, Mart.) by fermentation with filamentous fungi (Pleurotus ostreatus) . Mahidol University/Bangkok.