00348nam a2200133Ia 4500 20250729165807.0 250729s2002 xx 000 0 und d eng 371.25 MANE S.K.Mangal 233137 Educational Technology Ludhiyana Tandon Publication 2002 Technology 233138 240131 240131 0 0 0 0 AL AL 2025-07-29 Management Book 0 371.25 MANE BED05450 2025-07-29 16:58:07 2025-07-29 BK