Ibrahim Ariff. (2007). A practical guide to effective human resource management: A guidebook for aspiring human resource executives, managers and students in Malaysia and Singapore (2nd ed.). Petaling Jaya, Selangor: Leeds Publ..

Ibrahim Ariff. A Practical Guide to Effective Human Resource Management: A Guidebook for Aspiring Human Resource Executives, Managers and Students in Malaysia and Singapore. 2nd ed. Petaling Jaya, Selangor: Leeds Publ., 2007.

Ibrahim Ariff. A Practical Guide to Effective Human Resource Management: A Guidebook for Aspiring Human Resource Executives, Managers and Students in Malaysia and Singapore. 2nd ed. Petaling Jaya, Selangor: Leeds Publ., 2007.