000 00609nam a22001937a 4500
999 _c168641
_d168641
005 20191018114344.0
010 _aENG-126696
020 _a9789388028189
_c625.00
035 _aEN-110228
037 _bDBAD/PUB
082 _a371.102
100 _aMangal, S.K.
245 _aLearning and teaching /
_cby S.K.Mangal [and] Shubhra Mangal
260 _aDelhi
_bPHI Learning
_c2019
270 _aRimjhim House,111, Patparganj Industrial Estate
_bDelhi
_e110092
300 _axv;563p.
_c23cm(pbk)
500 _aIncludes bibliographical references and index
942 _2ddc
_cEN
_h371.102
_mMAN