De Silva, ed. Amarasuriya, N., ed.
A study of an international information system relating to new renewable sources of energy : report of field study in Sri Lanka - Colombo NSC 1980
620.9:007(548.7) / D4
A study of an international information system relating to new renewable sources of energy : report of field study in Sri Lanka - Colombo NSC 1980
620.9:007(548.7) / D4