Water management under small village tanks

ग्रंथसूची विवरण
मुख्य लेखक: Gunawardana, A. M. T.
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Colombo, Sri Lanka Agrarian Research & Training Institute 1981.
श्रृंखला:Occassion publication / Agrarian Research & Training Institute no. 25
विषय: