@unpublished{repository17165,
           title = {Kemampuan Berpikir Kritis Siswa Melalui Strategi Pemberian
Feedback Pembelajaran Sistem Koordinasi},
            year = {2021},
            note = {Unpublished},
           month = {November},
       publisher = {Universitas Muhammdiyah Prof. DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/17165/},
          author = {Yuni, Astuti}
}