A study of the causes of difficulties of grade four students in solving arithmetic problems in the District of Santo Tomas and Agoo, La Union [microform] - Aquino, Remegio Serrana 1932- (Quezon City Photoduplication Service, University of the Philippines Library, 1975)
Microfilmed with 14 other titles.
Thesis (M.A.)--Northwestern Educational Institution, Dagupan City.
Originally published in 1968.
Keywords: Arithmetic -- Study and teaching (Primary) -- La Union