“Laundry Productivity Improvement Strategy with Objective Matrix (OMAX) and Analytical Hierarchy Process (AHP) Methods at PT Surabaya Laundry Sentosa: Strategi Peningkatan Produktivitas Laundry Dengan Metode Objective Matrix (OMAX) dan Analytical Hierarchy Process (AHP) di PT Surabaya Laundry Sentosa” (2022) Procedia of Engineering and Life Science, 3. doi:10.21070/pels.v3i0.1373.