Putut Hargiyarto, Putut Hargiyarto and Sutiman , Sutiman, M.Eng and Nurkholis., Nurkholis, M.Pd Studi Penelusuran Lulusan Fakultas Teknik Universitas Negeri Yogyakarta yang Bekerja di Dunia Industri. [Experiment/Research] (Unpublished)