na INLIS000000000000440 20260225113425 0010-0317000438 260225 0 An introduction to differential equations and their applications / Stephen L. Campbell Campbell, Stephen L. 2nd ed Wadsworth : Wadsworth, 1990 xii, 596 hlm. ; 24 cm 0534094686 515.35 Cam i 515.35 PERSAMAAN DIFERENSIAL 105495412