Calalang, Sally S. Correlates of poor performance of students in grade 10 mathematics / Sally S. Calalang. - Pangasinan : [s.n.], 2017. - xii, 71 pages : illustration, 28 centimeter. Biblography: pages 57-59. Subjects--Topical Terms: Students. Dewey Class. No.: TH 371.8 C13c 2017