Kumar, A. Anand Fundamentals of digital circuits / by A. Anand Kumar - 3rd ed. - New Delhi : PHI Learning Pvt. Ltd.. 2019. - xxx, 994 p. : ill. ; 24 cm. ISBN: 9788120350526 (pbk) Subjects--Topical Terms:  Digital techniques.Digital electronics. Dewey Class. No.: 621.3815 / KUM/F