The strategic ability of flipped learning in teaching some units of the ways of teaching and investing. Twejer Journal, Soran, Kurdistan regional Government,Iraq, v. 4, n. 2, p. 675–722, 2021. DOI: 10.31918/twejer.2142.14. Disponível em: https://journals.soran.edu.iq/index.php/Twejer/article/view/227. Acesso em: 24 سپتامبر. 2026.