Ratno, Jein Novita C Budiman, and Fahri Ihsan. “Implementation Of Cooperative Learning Method Type Jigsaw For Improving Skill Of Speaking English Of Cadet At Barombong Maritime Polytechnic Makassar”. Hengkara Majaya , Vol. 3, no. 2, Sept. 2022, pp. 58-69, doi:10.61759/hmj.v3i2.51.