Sanda M-A. Managerial Self-efficacy and Discretionary Behavior Improving Work Environment for Small Firm Performance. IMBR [Internet]. 2011 Jun. 15 [cited 2026 Oct. 25];2(6):259-66. Available from: https://amhinternational.com/imbr/article/view/42-managerial-self-efficacy-and-discretionary-behavior-improving-work-environment-for-small-firm-performance