Prosiding Semnas UGM 2018 http://repository.unigal.ac.id:8080/handle/123456789/2085 Tue, 13 Oct 2026 08:30:13 GMT 2026-10-13T08:30:13Z Prosiding Semnas UGM 2018 http://repository.unigal.ac.id:8080/bitstream/id/b1181081-5050-4b4f-be65-12f83088e705/ http://repository.unigal.ac.id:8080/handle/123456789/2085