00598nam a22002057a 4500 181666 181666 20210930111753.0 EN230921 9789384761547 225.00 Lucent Publication 000 Lucent's general Knowledge / by Binay Karna...[et al] Patna Lucent Publication 2020 New Bypass Road, Ashochak, Patna 800030 09934016609 410p. 27cm(pbk) Sanjiv Kumar Manwendra Mukul R.P. Suman Renu Sinha ddc EN 000 LUC