000 00319nam a2200133 4500
022 _a21416818
082 _b1
100 _aONAH E. STEPHEN
245 _aMATHEMATICAL SCIENCES SERIES
250 _aVOL. 6,
260 _aNIGERIA ABUJA
_bNATIONAL MATHEMATICAL CENTRE
_c2021
300 _aIV,1202 PAGES
_bILLU
942 _cBK
999 _c5877
_d5877