000			00301nam a22001217a 4500
020			_a086227921
082			_a155.41315 _bMCK _cN-01,p-40
245			_aMy big book of learning
300			_a150 p.: _bill ;. _c25
526			_a0 _b0 _c0 _d155_413150000000000_MCK
650			_bNUST _96342
942			_2ddc _cBK
999			_c541426 _d541426