Preparedness of tsunami 2004 affected school: a case study of senior high school in Aceh Province, IndonesiaMuhammad Kamal, Yusya Abubakar, Rina Suryani Oktari and Safar YaacobE3S Web Conf., 464 (2023) 14001DOI: https://doi.org/10.1051/e3sconf/202346414001