Rao, M Bhaskara2012-05-132012-05-131967-03http://hdl.handle.net/10263/3981This thesis is under the supervision of Dr. M C ChakrabartienThe designsWeighing designsTwo way eliminationHeterogeneitySome contributions to the design and analysis of experiments with special reference to weighing designs,partially balanced designs and designs for two way elimination of heterogensityThesis