UNESCO. (2001). School Supervision in Four African Countries: National Dignoses (Botswana, Namibia, Tanzania, Zimbabwe). UNESCO.
Чикаго маягийн жагсаалтUNESCO. School Supervision in Four African Countries: National Dignoses (Botswana, Namibia, Tanzania, Zimbabwe). Paris: UNESCO, 2001.
MLA ишлэлUNESCO. School Supervision in Four African Countries: National Dignoses (Botswana, Namibia, Tanzania, Zimbabwe). UNESCO, 2001.
Warning: These citations may not always be 100% accurate.