A content analysis of the science book Living things and their environment - Bugal, Anselmo P. (1979)
Thesis (M.A. General Science)--University of the Philippines, Diliman.
Keywords: Content analysis (Communication); Science -- Textbooks; Science -- Study and teaching (Secondary) -- Philippines -- Tacloban City; Teaching -- Philippines -- Tacloban City -- Aids and devices; Science teachers -- Philippines -- Tacloban City