ZEKY RICARDO; SUTARNO; DEWI ANGGRAINI. Analisis Kualitas Produk di PT. Adi Kuasa Gasindo Medan. SOSMANIORA: Jurnal Ilmu Sosial dan Humaniora, [S. l.], v. 1, n. 2, p. 224–232, 2022. DOI: 10.55123/sosmaniora.v1i2.588. Disponível em: https://journal.literasisains.id/index.php/sosmaniora/article/view/588. Acesso em: 8 feb. 2026.