@article{oai:nagasaki-u.repo.nii.ac.jp:00012080, author = {Maruyama, Masazumi}, journal = {経済学部研究年報, Annual review of economics}, month = {Mar}, note = {経済学部研究年報, 15, pp.79-92; 1999}, pages = {79--92}, title = {External Variable and Systems Approaches in Nonverbal Communication Studies : Comparisons}, volume = {15}, year = {1999} }