SOOMRO, Raja Bahar Khan; BHUTTO, Sabreen Aziz; MAHAR, Sabeen Abdul Razzaq; MEMON, Misbah; SANJRANI, Dilawar. The Effect of Code-Switching Frequency and Motivation Levels on Speaking Proficiency among Bilingual ESL Learners in Pakistani Universities. Journal of Learning and Instruction Innovation, [S. l.], v. 1, n. 1, p. 59–76, 2026. Disponível em: https://journal.sahabat-cendekia.com/index.php/jolii/article/view/4. Acesso em: 12 jun. 2026.