00558nam a2200157 a 4500 20200218033421.0 180314s19uu xx 00 eng d 9788184845525 Bhatia, A.S. Modern speed maths / A.S. Bhatia. New Delhi : Regal Publications, 2016. 183 p. ; 23 cm Includes bibliographical references. Mental arithmetic Great Books Trading OLOPSC 1670.00Php 70550 70550 0 0 0 0 HSLRC HSLRC SEN 2020-02-18 1670.00 0 QA 111 B575 2016 HS12766 2025-05-23 00:00:00 2020-02-18 BK