Camerling, B. 2020. THE IMPLEMENTATION OF COLLABORATIVE WRITING IN IMPROVING STUDENTS WRITING SKILL AT 11TH GRADE OF SCIENCE CLASS AT SMA PERTIWI AMBON. JURNAL TAHURI. 17, 1 (May 2020), 38-52. DOI:https://doi.org/10.30598/tahurivol17issue1page38-52.