: Elementary Algebra for School, Metric Edition by H.S. Hall and R.S. Knight, A.I.T.B.S. Publishers & Distributors India, 2000.
Schaum’s Outline series: Discrete Mathematics, 2nd Edition by Seymour Lipshutz & Marc Lipson, Tata McGraw-Hill India, 2003.
Discrete Mathematics by Olympia...