Robert W. Covert
Жанры и тэги:
Designing and Constructing Instruments for Social Research and Evaluation
Written in easy-to-understand language, this important text provides a systematic and commonsense approach to developing instruments for data collecti…
ПодробнееDesigning and Constructing Instruments for Social Research and Evaluation
Written in easy-to-understand language, this important text provides a systematic and commonsense approach to developing instruments for data collecti…
Подробнее