Ospick, F. D. (2002). Time-on-task and pupil achievement in science: Effects of instructional leadership.
Style de citation Chicago (17e éd.)Ospick, Flordelina D. Time-on-task and Pupil Achievement in Science: Effects of Instructional Leadership. 2002.
Style de citation MLA (9e éd.)Ospick, Flordelina D. Time-on-task and Pupil Achievement in Science: Effects of Instructional Leadership. 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.