Samanian, Mosayyeb, & Akram Khosropanah. "A Study Of The Application Of Marketing Practices In The Provision Of The Information Services Based On 4Ps Marketing Mix Model. Case Study: Academic Libraries In North Khorasan Province." Qualitative and Quantitative Methods in Libraries [Online], 5.4 (2016): 755-775. Web. 20 May. 2024