Pachara Davivongse. 1984. The effects of a training program on wait-time and the questions asked by junior high school science teachers in Thailand. , Oregon State University;
Pachara Davivongse. (1984) The effects of a training program on wait-time and the questions asked by junior high school science teachers in Thailand . Oregon State University/Oregon.
Pachara Davivongse. The effects of a training program on wait-time and the questions asked by junior high school science teachers in Thailand. . Oregon:Oregon State University, 1984.
Pachara Davivongse. (1984) The effects of a training program on wait-time and the questions asked by junior high school science teachers in Thailand . Oregon State University/Oregon.