SINGH RAVISH R. (2007). BASIC ELECTRICAL AND ELECTRONICS ENGINEERING. NIRALI PRAKASHAN.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH RAVISH R. BASIC ELECTRICAL AND ELECTRONICS ENGINEERING. PUNE: NIRALI PRAKASHAN, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH RAVISH R. BASIC ELECTRICAL AND ELECTRONICS ENGINEERING. NIRALI PRAKASHAN, 2007.
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