Chauhan,D.S. Non -Conventional Energy Resources / by D.S. Chauhan & S.K. Srivastave - 3rd ed. - New Delhi: New age International , 2014. - xii,256p. ISBN: 9788122433999 Subjects--Topical Terms: Economics Geotharmal Energy Solar CellsThermal Energy Dewey Class. No.: 333.794 / CHA/N