共 23 条
[1]
Benz G., 1962, SCI EDUC, V46, P43
[2]
Brady E. R., 1972, THESIS IOWA STATE U
[3]
Edwards A.L., 1957, TECHNIQUES ATTITUDE
[4]
Folkomer T.H., 1981, J GEOL EDUC, V29, P74, DOI [10.5408/0022-1368-29.2.74, DOI 10.5408/0022-1368-29.2.74]
[5]
Gardner PL, 1975, STUD SCI EDUC, V2, P1, DOI [10.1080/03057267508559818, DOI 10.1080/03057267508559818]
[6]
GLEN WH, 1968, THESIS NEW YORK U
[7]
Kern E. L., 1986, J GEOL EDUC, V34, P180, DOI 10.5408/0022-1368-34.3.180
[8]
KOBALLA TR, 1984, J RES SCI TEACH, V20, P709
[9]
KORAN J, 1979, WHAT RES SAYS SCI TE, V2, P50
[10]
LOPUSHINSKY T, 1986, J COLL SCI TEACH, V16, P21