a modern approach Gupta, S.C. creator Kapoor, V.K. text ii\ New Delhi Sultan Chand and Sons 1983 8th ed. monographic eng xx, 1104 p. : ill. ; 22 cm. general S.C. Gupta, V.K.Kapoor Statistical analysis 519.5 BD-DhIUB 190227 20220701011029.0