This journal uses Open Journal Systems 2.4.8.3, which is open source journal management and publishing software developed, supported, and freely distributed by the Public Knowledge Project under the GNU General Public License.
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JKP (Jurnal Pendidikan Khusus) is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Based on a work at https://journal.uny.ac.id/index.php/jpk.