Zulkarnain A, Damayanti AT, Yogapradana MI, Ryanto SS, Rupaka AG. Simulation of AC Package Train Roof Structure Strength using Software. JTTL [Internet]. 2022Dec.6 [cited 2026Jul.20];3(2):111-6. Available from: https://jurnal.poltradabali.ac.id/jttl/article/view/77