Karna, Binay Lucent's general knowledge / Binay Karna ... [et al.]. - 15th ed. - Patna : Lucent Publication, 2025. - 498 p. : ill. ; 28 cm. ISBN: 9789384761547 (pbk.) Subjects--Topical Terms: General knowledge--Questions and answers.Study guides Dewey Class. No.: 001.76 / KAR/L