Barbhuiya,Nazmun Nahar Studies on alterations in tissue ammonia,free amino acids concentration and the rate of ammonio excretion during dahydration stress in an air-breathing fish :clarias bactrachus. - NEHU - Shillong NEHU, Dept. of Zoology 1983 - (7),38p. ; 28cm Dewey Class. No.: DS / 597.58041924 BAR