Search Results       Your search for [subject]Geometry, Plane -- Study and teaching (Secondary) -- Guiuan, Eastern Samar returned 1 record.           Comparative effectiveness of two proof formats in teaching triangle congruence. by Arceno, Erlinda B.; 1983. Subject: Academic achievement; Geometry, Plane -- Study and teaching (Secondary) -- Guiuan, Eastern Samar; Mathematical ability -- Testing.          Add to Book Cart Relevance: 47.45%