共 15 条
[2]
DEITZ SM, 1973, J APPL BEHAV ANAL, V6, P457
[4]
GRANDY GS, 1973, PSYCHOL SCHOOLS, V10, P488, DOI 10.1002/1520-6807(197310)10:4<488::AID-PITS2310100420>3.0.CO
[5]
2-F
[6]
HAMBLIN RL, 1971, NEW DIRECTION ED BEH, P41