000 00376nam a2200169Ia 4500
008 240601s9999 xx 000 0 und d
082 _a513
082 _bKHA
100 _aDr. C. L. Khanna
245 0 _aHigh Speed System of Basic Arithmetic
250 _a1
260 _aDelhi
260 _bUpkar Prakashan
260 _c2023
300 _a90 pages
942 _cREF
999 _c502091
_d502091