![]() | Up a level |
KASUMAH, 1042011019 (2016) APPLYING DOUBLE LOOP PROBLEM SOLVING TO IMPROVE STUDENTS’ ABILITY IN WRITING PARAGRAPH ( An Experimental Study of the Second Grade Students of Vocational High School Negeri 1 Simpang Jernih in the 2015/2016 Academic Year). Skripsi thesis, INSTITUT AGAMA ISLAM NEGERI COT KALA LANGSA.