., Jumadi. “Influence of Internal Marketing Toward Internal Service Quality and Impact to Internal Customer Satisfaction: Case Study in Tourism Industry in Yogyakarta Special Territory of Indonesia”. The International Journal of Business & Management 2, no. 9 (September 30, 2014). Accessed July 23, 2024. https://internationaljournalcorner.com/index.php/theijbm/article/view/127723.