Aminy, Fikria Muzakki and Dr. Dwijani Ratnadewi, , M.Pd. and Sofi Yuniarti, , SS, M.Pd. (2017) POWER AND SOLIDARITY BETWEEN STUDENTS-TEACHER IN SPEAKING CLASS OF TEN GRADER OF TWO MUHAMMADIYAH HIGH SCHOOLS IN SURABAYA. Other thesis, Universitas Muhammadiyah Surabaya.