ID:DA09779420
Gupta, Om Prakash
Om Prakash Gupta
同姓同名の著者を検索
O.P. Gupta
Concept Pub. Co. 1992 Concepts in communication, informatics & librarianship 31
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Pandey S.K. Sharma & O.P. Gupta
Ess Ess Publications 1986