Singh, Arjuna Urja ke vividha ayama / Arjuna Singh and Varsha Paṭeriya - New delhi : Śivāṅka Prakāśana, 2013. - 1725 p. ill. ; 22 c.m. ISBN: 9789380801520 Subjects--Topical Terms: Power resources. Dewey Class. No.: 333.79 / SIN/U