Athieno, Jojina Zipola. The predictive validity of the PTC promotional examinations on stude nts' performance in the final examination / by Athieno Jojina Zipola . - Kampala, 2013. - xii, 122 p. : ill. ; 30 cm. Unpublished thesis (M.A. Ed.) - Makerere University, 2013. Includes bibliographical references (p.69-71). Subjects--Topical Terms: Teachers--Training of--Examinations Dewey Class. No.: 371.26