Das, M. N. creator Giri, N. C. text ii New Delhi Willey Eastern Limited c1986 2nd edition. monographic eng xii, 488 p. ; 25 cm. M. N. Das and N.C. Giri. Include bibliographical references and index. Statistics Experimental design 310 DAD 0852269145 BD-DhSAU 150118 20150118131317.0 BD-DhSAU 1595