By Jose Rajive   Vidyadharan Ramesh   Roy D K   Erdmann Matt   in British Journal of General Practice

ISSN:1478-5242|55|512|222-223

Royal College of General Practitioners‎(2005)‎

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By Roy D.K.   Dutta G.L.   Basak A.   in Wear

ISSN:0043-1648|184|2|241-244

Elsevier‎(1995)‎

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Tunnelling and Negative Resistance Phenomena in Semiconductors‎

By Roy   D. K.;Pamplin   B. R.  

ISBN:9781483278957

Elsevier Science‎(2014)‎

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