APA

kariya k., Peris.R, Wasala W., Fathima M. & Wanigasuriya S. (1990). studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture.

Chicago

kariya k(ed), Peris.R, Wasala W.MD, Fathima M and Wanigasuriya S.G. 1990. studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture.

Harvard

kariya k., Peris.R, Wasala W., Fathima M. and Wanigasuriya S. (1990). studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture.

MLA

kariya k(ed), Peris.R, Wasala W.MD, Fathima M and Wanigasuriya S.G. studies on the factors controlling yield stability of early maturing rice varieties of sri lanka. central agricultural research institute, department of agriculture, peradeniya: department of agriculture. 1990.