Huda, Hairul, Renanto Renanto, Totok Ruki Biyanto, Wei Wu, and Vincentius Surya Kurnia Adi. 2020. “Oil Refinery Heat Exchanger Network Cleaning Scheduling Strategy With Unit Cleanability Consideration”. ASEAN Journal of Chemical Engineering 20 (1), 31-48. https://jurnal.ugm.ac.id/v3/AJChE/article/view/9097.