Students' achievement in ecology in relation to their perceptions of teacher performance and subject difficulty - Japos, Neria Tagaro (1985)
Thesis [M.A.T. Biology]--University of the Philippines, Diliman.
Keywords: Ecology -- Study and teaching (Secondary) -- Philippines -- Zamboanga City (Zamboanga del Sur); High school teachers -- Rating of -- Philippines -- Zamboanga City (Zamboanga del Sur); Ecology -- Examinations, questions, etc; Academic achievementzPhilippines -- Zamboanga City (Zamboanga del Sur)