共 50 条
- [1] VARIABLES AND THEIR OPERATIONALIZATION IN EDUCATIONAL RESEARCH. SECOND PART REVISTA CONRADO, 2019, 15 (69): : 171 - 180
- [9] The etiopathogenesis of Parkinson disease and suggestions for future research. Part I JOURNAL OF NEUROPATHOLOGY AND EXPERIMENTAL NEUROLOGY, 2007, 66 (04): : 251 - 257
- [10] Empirical Educational Research. Current topics in educational practice and educational research ZEITSCHRIFT FUR PADAGOGISCHE PSYCHOLOGIE, 2014, 28 (03): : 153 - 155