APA

Silva M. A. T. D., Ameen M. Z. M. F. . F. O., Wijetileka K. K. G. V. & Wettasinghe N. S. (1991). Sri Lanka science & technology indicators: part iii- scientific and techno-economic perspectives for technological and industrial policy planning. Colombo: Natural Resources Energy and Science Authority of SriLanka.

Chicago

Silva M A T De, Ameen M Z M F Fouz O.A, Wijetileka K K G V and Wettasinghe N S. 1991. Sri Lanka science & technology indicators: part iii- scientific and techno-economic perspectives for technological and industrial policy planning. Colombo: Natural Resources Energy and Science Authority of SriLanka.

Harvard

Silva M. A. T. D., Ameen M. Z. M. F. . F. O., Wijetileka K. K. G. V. and Wettasinghe N. S. (1991). Sri Lanka science & technology indicators: part iii- scientific and techno-economic perspectives for technological and industrial policy planning. Colombo: Natural Resources Energy and Science Authority of SriLanka.

MLA

Silva M A T De, Ameen M Z M F Fouz O.A, Wijetileka K K G V and Wettasinghe N S. Sri Lanka science & technology indicators: part iii- scientific and techno-economic perspectives for technological and industrial policy planning. Colombo: Natural Resources Energy and Science Authority of SriLanka. 1991.