Ilya Mohammad Umar. (2007). Tips mencapai ketenangan jiwa & mengatasi gelisah. Pustaka Azhar.
Chicago Style (17th ed.) CitationIlya Mohammad Umar. Tips Mencapai Ketenangan Jiwa & Mengatasi Gelisah. Johor: Pustaka Azhar, 2007.
MLA (9th ed.) CitationIlya Mohammad Umar. Tips Mencapai Ketenangan Jiwa & Mengatasi Gelisah. Pustaka Azhar, 2007.
Warning: These citations may not always be 100% accurate.