共 28 条
[21]
Patton M.Q., 2015, Qualitative research evaluation methods: Integrating theory and practice, V4th, DOI [DOI 10.1177/1098214016689486, 10.1177/1098214016689486]
[22]
Pechman EM., 2008, Out-of-school time (OST) observation instrument
[23]
Plano Clark V. L., 2018, DESIGNING CONDUCTING
[24]
Rice JE, 2016, J EXT, V54
[25]
Riley D., 2012, Priming the pipeline lessons from promising 4-H science programs
[26]
Training Teens to Teach Agricultural Biotechnology: A National 4-H Science Demonstration Project
[J].
JOURNAL OF YOUTH DEVELOPMENT,
2013, 8 (03)
:46-67
[28]
Worker S. M., 2017, J EXTENSION, V5