Siniguian, Madonna M. Understanding research design and methods basic business approach for undergraduate level Madonna M. Siniguian - Manila : Unlimited books, 2023. - viii, 142 pages ; 26 cm Includes bibliographical references ISBN: 978-621-427-129-0 Subjects--Topical Terms: Business -- research -- methodology. LC Class. No.: Fil LB 2369 S56 2023