Jeffery, Diana, and Nilofar Nouhi. “The Role of Grit and Zest for Life in Enhancing Work Engagement: A Cross-Sectional Study”. KMAN Counseling & Psychology Nexus 2, no. 2 (July 1, 2024): 27–33. Accessed April 11, 2025. https://journals.kmanpub.com/index.php/psychnexus/article/view/3024.