Sirug, Winston S. Introduction to business statistics : a comprehensive approach / Winston S. Sirug. - rev. ed. - Manila : Mindshapers Co., 2015. - x, 428 pages: illustrations 23 cm. in English ISBN: 978-621-406-015-3 Subjects--Topical Terms: Business--Statistics. LC Class. No.: 519.5 Si8i 2015