Zhang, JiachenGreenier, Vincent Troy2024-01-252024-01-252023-12-22Zhang, J & Greenier, V T 2023, 'The mediating role of academic optimism and positive psychological capital of EFL/ESL teachers on teaching effectiveness.', Porta Linguarum: International Journal of Foreign Language Teaching and Learning, no. 2023c, pp. 121-137. https://doi.org/10.30827/portalin.vi2023c.296322695-8244https://hdl.handle.net/2164/2263817544604engEFL/ESL teacherspositive psychologyacademic optimismpositive psychological capitalteaching effortLB Theory and practice of educationLBJournal article10.30827/portalin.vi2023c.296322023