Ross K. (1992). Sample design procedures for a national survey of primary schools in Zimbabwe. UNESCO.
Чикаго маягийн жагсаалтRoss K. Sample Design Procedures for a National Survey of Primary Schools in Zimbabwe. Paris: UNESCO, 1992.
MLA ишлэлRoss K. Sample Design Procedures for a National Survey of Primary Schools in Zimbabwe. UNESCO, 1992.
Warning: These citations may not always be 100% accurate.