MANGAL, S. K. creator MANGAL, UMA creator text New Delhi PHI Learning Pvt. Ltd. 2018 monographic eng

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664 pages S. K MANGAL and UMA MANGAL Education / Teaching Methods & Materials / Social Science Juvenile Nonfiction / Social Science / General 300.71 9789387472266 https://books.google.co.in/books?id=TrRHDwAAQBAJ&newbks=1&newbks_redir=0&dq=nature+of+social+science&source=gbs_navlinks_s https://books.google.co.in/books?id=TrRHDwAAQBAJ&newbks=1&newbks_redir=0&dq=nature+of+social+science&source=gbs_navlinks_s 230123 20230123111800.0