-
381
Science teaching in grades III-IV in the public elementary schools of Balaoan District 1988-1989
Julkaistu 1989Opinnäyte -
382
Teaching competencies of elementary science teachers in Pozorrubio Districts I and II
Julkaistu 1989Opinnäyte -
383
-
384
-
385
-
386
-
387
-
388
Entry behavior in science of grade V entrants in Mercedes District, 1986-1987
Julkaistu 1988Opinnäyte -
389
The teaching of social studies in the elementary schools of San Juan District
Julkaistu 1988Opinnäyte -
390
The competencies of elementary school science teachers in the Division of Iloilo Province
Julkaistu 1988Opinnäyte