Widhya S., MT., Ir. Duta, et al. “SIMULASI INFORMASI PERINGATAN BANJIR BERBASIS TWITTER”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), vol. 4, Oct. 2015, pp. SNF2015-IX, https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5251.