Search Results       Your search for [author]Marino, Wilfredo Pagkalinawan. returned 1 record.           Development, validation and effectiveness of plane trigonometry worktext for first year college students. by Marino, Wilfredo Pagkalinawan.; 2005. Subject: Plane trigonometry -- Aids and devices; Mathematics -- Study and teaching (Higher); Plane trigonometry -- Ability testing.          Add to Book Cart   |    Digital Copy Available Relevance: 28.22%