ATTITUDES AND ATTAINED PROFICIENCY IN EFL: A SOCIOLINGUISTIC STUDY OF ADULT JAPANESE SPEAKERS 論文 Tetsuro Chihara・John W. Oiler ·1978-07-01 ·『Language Learning』 28(1) pp. 55-68 doi:10.1111/j.1467-1770.1978.tb00304.x
The State of the Art in the Historical-Comparative Studies of Japanese and Korean 論文 Ho‐min Sohn ·1980-01-01 ·『Korean studies』 4(1) pp. 29-50 doi:10.1353/ks.1980.0005