Vijayalakshmi, G. Research methods : tips and techniques / By G. Vijayalakshmi and C. Sivapragasam. - 1st. ed. - Chennai : MJP Publishers , 2008. - xiv, 218p. ; 21.6 cm. ISBN: 9788180940460 Subjects--Topical Terms: Research MethodologySampling TechniquesData CollectionCross Tabulation Dewey Class. No.: 001.42 / VIJG