Alphonsa, M. K. (2008). Impact of Environmental stress on certain fishes of River Periyar (PHD Thesis.).
Chicago Edition CitationAlphonsa, M K. Impact of Environmental Stress on Certain Fishes of River Periyar. PHD Thesis. Kottayam, School of Environmental Science, M G University, 2008.
ציטוט MLAAlphonsa, M K. Impact of Environmental Stress on Certain Fishes of River Periyar. PHD Thesis. 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.