relation: http://repository.uhamka.ac.id/id/eprint/5528/ title: Surat Pencatatan Ciptaan creator: Syae Purrohman, Purnama subject: D History (General) date: 2018-10-12 type: Patent type: NonPeerReviewed format: text language: en identifier: http://repository.uhamka.ac.id/id/eprint/5528/1/sertifikat_EC00201849319%281%29.pdf identifier: Purnama Syae Purrohman (2018) Surat Pencatatan Ciptaan. EC00201849319. relation: https://www.dgip.go.id/ relation: EC00201849319 identifier: EC00201849319