SAXENA R S. (1987). INFORMATION RETRIEVAL TECHNIQUES AND REFERENCE SOURCES AND TOOLS IN PURE AND APPLIED SCIENCES. Y K PUBLISHERS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSAXENA R S. INFORMATION RETRIEVAL TECHNIQUES AND REFERENCE SOURCES AND TOOLS IN PURE AND APPLIED SCIENCES. AGRA: Y K PUBLISHERS, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSAXENA R S. INFORMATION RETRIEVAL TECHNIQUES AND REFERENCE SOURCES AND TOOLS IN PURE AND APPLIED SCIENCES. Y K PUBLISHERS, 1987.
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