Learning the Malay maritime traditions of the Riau Islands uses copying assignment techniques in special teaching materialsIman Sabarullah, Desy Cahyani, Kamsuri Kamsuri, Irfan Rifai, Encik Abdulhajar and Tety KurmalasariSHS Web Conf., 205 (2024) 02015DOI: https://doi.org/10.1051/shsconf/202420502015