000 00320pam a2200145 a 4500
020 _c
041 _aeng
082 _bENG
100 _aEngel ,Engel.
245 _aProblem Solving Stratergies
_hTextual Documents
250 _a2010.
260 _aNew Delhi
_bSpringer Publication
300 _a403pg.
930 _a12495
999 _c89398
_d89398