00423nam a2200157Ia 4500003000400000005001700004008004100021020001800062040000900080082001900089100001400108245005100122250001200173260007100185300000900256OSt20200821125942.0190216s9999||||xx |||||||||||||| ||und||  a9780070142763  coclc  a333.794bKHA/N  aKhan, B H 0aNon-Conventional Energy Resources /c B H Khan  a2nd Ed.  bMc Graw Hill Education (india) Private Limited,c2015.aNew Delhi:  a455p