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Pongchan Ruamthveesub. 1986. Survival of Samonella in septage-fed ponds and potential of tilapia as carrier of pathogenic organisms. , Asian Institute of Technology;
Pongchan Ruamthveesub. (1986) Survival of Samonella in septage-fed ponds and potential of tilapia as carrier of pathogenic organisms . Asian Institute of Technology/Bangkok.
Pongchan Ruamthveesub. Survival of Samonella in septage-fed ponds and potential of tilapia as carrier of pathogenic organisms. . Bangkok:Asian Institute of Technology, 1986.
Pongchan Ruamthveesub. (1986) Survival of Samonella in septage-fed ponds and potential of tilapia as carrier of pathogenic organisms . Asian Institute of Technology/Bangkok.