Sekhar, J. Chandra Prasad, M. Gangadhar text Secunderabad Vivekananda Life Skills Academy 2008 monographic xii,412p.: ill. 17cm (pbk) photos edited by J. Chandra Sekhar [and] M. Gangadhar Prasad India 954 ENG-99985 DBAD/PUB 20100812115127.0