books مصادر جمع البيانات
If you do not find what you're looking for, you can use more accurate words.
# Sources of demographic data collection and methods for its measurement
# Statistical data collection sources
# Sources for collecting data and information
# Geographical data collection sources
# Sources of data collection, methods and tools for collecting it
# Direct data collection sources
# Sources of data and information collection, a feasibility study
# Sources of data collection and accounting information
# Sources of geographic data collection from maps and distributions
# Internal and external data collection sources
