Carrera, Cayetano V., Jr. Enhancing the problem solving skills of senior high students thru the use of modules and the keller plan approach / Cayetano V. Carrera Jr. - Pangasinan : [s.n.], 2017. - xvi, 95 pages : illustration ; 28 centimeter. Bibliography: pages 58-69. Subjects--Topical Terms: Students. Dewey Class. No.: TH 371.8 C23e 2017