naryo, sunaryo, yazid nurmajid, yuhelson yuhelson, and legisnal hakim. 2022. “Analisa Pengaruh Lapisan (Layer) Komposit Susunan Lurus Serat Daun Nanas Terhadap Sifat Mekanik Lambung Kapal”. Aptek 14 (1):67-74. https://doi.org/10.30606/aptek.v14i1.1111.