2-s2.0-85086725100. (2020). Predicting proactive service performance: The role of employee engagement and positive emotional labor among frontline hospitality employees. Cogent Business and Management, 7(1), . https://doi.org/10.1080/23311975.2020.1771117
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)2-s2.0-85086725100. "Predicting Proactive Service Performance: The Role of Employee Engagement and Positive Emotional Labor Among Frontline Hospitality Employees." Cogent Business and Management 7, no. 1 (2020). https://doi.org/10.1080/23311975.2020.1771117.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)2-s2.0-85086725100. "Predicting Proactive Service Performance: The Role of Employee Engagement and Positive Emotional Labor Among Frontline Hospitality Employees." Cogent Business and Management, vol. 7, no. 1, 2020, https://doi.org/10.1080/23311975.2020.1771117.