My previous presentations on SlideShare Posted on May 28, 2020January 4, 2026 by phunghuy contemporary-language-teaching-a-brief-overviewfrom Phung Huy 10-principles-of-total-physical-response-tprfrom Phung Huy sla-phunghuyedufrom Phung Huy classroom-observation-teacher-developmentfrom Phung Huy Posted in Design.