共 83 条
[62]
Rosenhan D., 1970, Altruism and helping behavior, P251, DOI DOI 10.1370/AFM.1173
[63]
Ryan R. M., 1991, NEBR SYM MOTIV, V38, P237
[65]
Schwartz S. H., 1982, COOPERATION HELPING
[66]
Schwartz SH., 1984, DEV MAINTENANCE PROS, P229, DOI [DOI 10.1007/978-1-4613-2645-8_14, 10.1007/978-1-4613-2645-8_14]
[68]
SERGENT MT, 1990, J COLL STUDENT DEV, V31, P255
[69]
SEROW RC, 1991, AM EDUC RES J, V28, P543, DOI 10.3102/00028312028003543
[70]
Smith DavidHorton., 1982, VOLUNTEERISM 80S FUN