Cortez F. M., . (2016). The art of effective oral communication. Mandaluyong City: Books Atbp Pub. Corp.
Cortez Felicitas Maranan, . 2016. The art of effective oral communication. Mandaluyong City: Books Atbp Pub. Corp.
Cortez Felicitas Maranan, . The art of effective oral communication. Mandaluyong City: Books Atbp Pub. Corp. 2016.