Trisyaldi, Ar, syahril syahril, Purwantono Purwantono, Waskito Waskito, and Primawati Primawati. 2019. “Study of Ship Design Maninjau Lake Tourism by Using Catamaran Hull Type and Fiberglass Material”. Teknomekanik 2 (1):24-28. https://doi.org/10.24036/tm.v2i2.3072.