منبع: https://www.globalcosmeticsnews.com/beiersdorf-taps-omd-pioneering-di،al-first-media-strategy-for-europe-and-north-america/
منبع: https://www.globalcosmeticsnews.com/beiersdorf-taps-omd-pioneering-di،al-first-media-strategy-for-europe-and-north-america/