இதைப் பெறுங்கள் : Directions in engineering research [electronic resource] : an assessment of opportunities and needs / report of the Engineering Research Board, Commission on Engineering and Technical Systems, National Research Council.

தலைப்பு : Directions in engineering research [electronic resource] : an assessment of opportunities and needs / report of the Engineering Research Board, Commission on Engineering and Technical Systems, National Research Council.

அழைப்பு எண் : அழைப்பு எண் இல்லை

நிலை : அறியப்படாத