Peter M. Duppenthaler

发表

Maturational Constraints on Language Learning

Peter M. Duppenthaler, 1990 .

What about pronunciation?

Peter M. Duppenthaler, 1991, English Today.

A Comparison of Essays Written by Native and Nonnative Speakers of English on the Topic Kokusai Shakai (International Society)

Peter M. Duppenthaler, 2006 .

A Study of the Effect of Three Different Types of Feedback on Writing : Part 2 - Data Analysis

Peter M. Duppenthaler, 2004 .

The Effect of Three Types of Written Feedback on Student Motivation

Peter M. Duppenthaler, 2002 .

Journal Writing and the Question of Transfer of Skills to Other Types of Writing('National Policy' for Foreign Language Education : Searching for the Ideal)

Peter M. Duppenthaler, Peter M. Duppenthaler, 2003 .