Kothari, C R Quantitative techniques / by C R Kothari - 3rd ed. - Noida : Vikas Publishing House Pvt Ltd , 1984 . - 479 p. Paper Back ISBN: 9789325968967 Subjects--Topical Terms: PhysicsResearch methodologyProbability theorySampling theory Dewey Class. No.: 530.159 5 / KOT-Q