Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Singhal, O.P"'

Solar Energy Technology Principle and Practices

By Singhal, O.P. Allahabad Technical Publishers of India 1998 . 344 8170970474

By Singhal, O.P.. Allahabad Saroj Prakashan 1997 . 147 0470920768

By Singhal, O.P. Allahabad Saroj Prakashan 2001 . 140 0470920768

By Singhal, O.P. . Allahabad: Technical Publishers of India; 2002 . 284 p. 8170970784