Santoso, Yuni Eko Budi. “The Quality Assurance Management of Graduates in Ma’arif NU Vocational High School Bobotsari and Muhammadiyah 2 Vocational High School Purbalingga”. International Conference of Moslem Society, vol. 1, Oct. 2016, pp. 66-78, doi:10.24090/icms.2016.1825.