@unpublished{repository23056,
         journal = {uin walisongo},
           title = {Development of items in Acid-Base Identification Experiments Using Natural Materials: Validity Test with Rasch Model Analysis},
            note = {Unpublished},
          author = {Wati Sukmawati, Wati},
             url = {http://repository.uhamka.ac.id/id/eprint/23056/}
}