000 00642nam a2200229Ia 4500
005 20260109141519.0
008 230125s9999 xx 000 0 und d
020 _a978-0-143-42752-0
041 _aeng
082 _a158.1
_bSIN/ETC
100 _aSinghal A
_9215503
245 _aHow to Improve Concentration By Guiness World Record Holders
250 _a1st Ed.
260 _c2020
_bPenguin books
_aHaryana
300 _a224p
500 _aPersonality Development
501 _aConcentration
650 _aPersonality Development
_9213420
700 _aSinghal A; Singhal S & Kishore B
_9215505
906 _b74.75
942 _cBK
999 _c96725
_d96725