(1977). The mastery approach to competency-based education / Kay Pomerance Torshen.
Cita Chicago (17th ed.)The Mastery Approach to Competency-based Education / Kay Pomerance Torshen. 1977.
Cita MLA (9th ed.)The Mastery Approach to Competency-based Education / Kay Pomerance Torshen. 1977.
Atenció: Aquestes cites poden no estar 100% correctes.