SIMANGUNSONG, Novita Sabrina; SIMAMORA, Pintor. SINTESIS DAN KARAKTERISASI SIFAT MEKANIK KOMPOSIT POLYPROPYLENE (PP) DENGAN FILLER SERAT PINANG. EINSTEIN (e-Journal), [S. l.], v. 9, n. 3, p. 6–11, 2021. DOI: 10.24114/einstein.v9i3.28898. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/28898. Acesso em: 12 oct. 2025.