Singh, Akhaṇḍa Pratāpa,. Vyāvasāyika Sikshā Evaṃ Praśikshaṇa / By Akhaṇḍa Pratāpa Singh. - 1st Ed. - New Delhi : Shivank Prakashan, 2017. - 105p. ; 00 cm. ISBN: 9789383980710 Dewey Class. No.: 370.1130954 / SIN