Programmed instruction on the present perfect tense for grade six

This paper presented a self-instructional material. It is based on the goals or objectives in the use of English present perfect tense expected of a Grade Six pupil in Philippine public schools.

Manylion Llyfryddiaeth
Prif Awdur: Santiago, Apolonia Bermudez 1920-
Fformat: Traethawd Ymchwil
Iaith:Saesneg
Cyhoeddwyd: [Quezon City s.n.] 1972
Pynciau: