Umar, H. (2003). Studi kelayakan dalam bisnis jasa. Saint Joseph's University.
Chicago Style (17th ed.) CitationUmar, Husein. Studi Kelayakan Dalam Bisnis Jasa. Saint Joseph's University, 2003.
MLA (8th ed.) CitationUmar, Husein. Studi Kelayakan Dalam Bisnis Jasa. Saint Joseph's University, 2003.
Warning: These citations may not always be 100% accurate.