draft P. Lakshmipathi ; statistical assistant Yadgir Reddy ; scrutiny A. Chandrasekhara Reddy ; supervision & guidance A. R. Jaya Prakash, V. Venugopal Rao ; editor T. VedantamController of Publications1978
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- 著者標目Lakshmipathi, P. Reddy, Yadgir Reddy, A. Chandrasekhara Prak...