Search Results       Your search for [author]Colon, Salvacion Maquito. returned 1 record.           Factors affecting student failure in Sorsogon National High School 1980-1981. by Colon, Salvacion Maquito.; 1982. Subject: Grading and marking (Students); Sorsogon National High School -- Students.          Add to Book Cart Relevance: 31.59%