فهرست مقالات گیاهان دارویی و زینتی دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Strategies of gaining competitive advantage based on focusing on customers and market strategy for Extension and Development of medicinal and ornamental plants Enterprises in Ilam province homayoon moradnezhadi mohamad jasemi hossein mahdizade