Marjan Mollaalia. “THE EFFECT OF DIGITAL ADVERTISING N TWORK FOR TOURISM USING LAVIJ AND STEINER MODEL IN QAZVIN”. Singaporean Journal of Business Economics and Management 4, no. (6) (June 30, 2015): 1–9. Accessed April 18, 2026. https://www.singaporeanjbem.com/index.php/SJBEM/article/view/428.