ANNUAL Congress of the Postgraduate Institute of Agriculture (2nd: Peradeniya: 1990)
Tropical agricultural research / 8th-9th November 1990; edited by Raphel O. Thattil - Peradeniya Postgraduate Institute of Agriculture 1990 - i, 315 p.
630.913072 / ANN
Tropical agricultural research / 8th-9th November 1990; edited by Raphel O. Thattil - Peradeniya Postgraduate Institute of Agriculture 1990 - i, 315 p.
630.913072 / ANN