オカート デビット. Approaches to Pedagogy, Part III Traditional vs. Communicative & Task-based Activity Preferences based on Proficiency Level. 経済論集. 2016. 42. 1. 79-92
オカート デビット. Approaches to Pedagogy, Part II:Traditional vs. Communicative & Task-based Activities. 経済論集. 2016. 41. 2. 11-22
オカート デビット. Approaches to University Level Foreign Language Pedagogy, Part I:An Exploratory Study of Classroom Activity Preferences. 経済論集. 2015. 41. 1. 171-179