APA Citation

Salazar Cruz, A. N. (2019). Problem-based learning in the speaking skill in learners of English.

Chicago Style Citation

Salazar Cruz, Andrea Natalia. Problem-based Learning in the Speaking Skill in Learners of English. 2019.

MLA Citation

Salazar Cruz, Andrea Natalia. Problem-based Learning in the Speaking Skill in Learners of English. 2019.

Warning: These citations may not always be 100% accurate.