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Mela Sundari, Arrafiqur Rahman, and Purwantoro, “PENGARUH HUMAN RELATION DAN LINGKUNGAN KERJA FISIK TERHADAP ETOS KERJA PEGAWAI BADAN KESATUAN BANGSA DAN POLITIK KABUPATEN ROKAN HULU”, JBW, vol. 3, no. 2, pp. 72–86, Dec. 2025.