Pengaruh Tekanan Refrigeran R-134a Terhadap Nilai Coefficient of Performance (COP) . Jurnal INOVATOR, [S. l.], v. 3, n. 2, p. 27–30, 2020. DOI: 10.37338/inovator.v3i2.136. Disponível em: https://ojs.politeknikjambi.ac.id/inovator/article/view/136. Acesso em: 15 may. 2026.