Deprecated: Creation of dynamic property WhichBrowser\Analyser\Header\Useragent::$data is deprecated in /home/ftunma/public_html/e-library/plugins/visitorwebcounter/vendor/whichbrowser/parser/src/Analyser/Header/Useragent.php on line 11

Deprecated: Creation of dynamic property WhichBrowser\Analyser\Header\Useragent::$options is deprecated in /home/ftunma/public_html/e-library/plugins/visitorwebcounter/vendor/whichbrowser/parser/src/Analyser/Header/Useragent.php on line 12

Gaya APA

Sofyan, I. (2005). Manajemen Risiko . Yogyakarta: Yogyakarta: Graha Ilmu.

Gaya MLA

Sofyan, Iban. "Manajemen Risiko". Yogyakarta: Yogyakarta: Graha Ilmu, 2005. Text.