UNIVERSITY of Jaffna, Sri Lanka.
Research report 1992 - Kilinochchi Department of Agronomy, University of Jaffna 1992 - 45 p.
631.5 / UNI
Research report 1992 - Kilinochchi Department of Agronomy, University of Jaffna 1992 - 45 p.
631.5 / UNI