000 00343nam a22001457a 4500
020 _a978-93-534-3309-3
082 _a510
_bDAN
100 _aD'Anngelo,John P
245 _aMathematical thinking:problem - olving and proofs
250 _a2nd ed
260 _aNoida
_bPearson
_c2019
300 _a36474
650 _aMathematics
942 _cBK
999 _c34719
_d34719