Castillo, R.C., Cabatay, M.F.D., Ronquillo, R.F. and Seva, M.S.B. 2019. Customs Administration Students Usage of Metacognitive Knowledge in their Internships. International Journal of Education and Practice. 7, 4 (Sep. 2019), 347–362. DOI:https://doi.org/10.18488/journal.61.2019.74.347.362.