Smith, P. S. (1973). Problems in electrical engineering: :power engineering and electronics with answers. Asia publication.
Trích dẫn kiểu ChicagoSmith, Parker S. Problems in Electrical Engineering: :power Engineering and Electronics with Answers. New Delhi: Asia publication, 1973.
Trích dẫn MLASmith, Parker S. Problems in Electrical Engineering: :power Engineering and Electronics with Answers. Asia publication, 1973.
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