Bhargava, N.N. creator Kulshreshtha, D C Gupta, S C text New Delhi McGraw-Hill Education 2018 2nd ed. monographic xv, 482p.: ill. 23cm(pbk) by N.N. Bhargava and others Includes index. 621.38153 9781259006463 B-719514 Aksharesh Enterprises 20190401150736.0