Mahajan B.K,Dr. Methods in Biostatistics for Medical Students and Research Workers Textual Documents - IVth edition 1984. - India: Smt.Indu Mahajan , 1984. - 304p.: 08074. Subjects--Uniform Titles: Statistics,The Chi-Squae Test,Significance of Difference in Means. Dewey Class. No.: 574.015 MAH