Asrori, Riswan, et al. “The Correlation Between Post Traumatic Stress Disorder (PTSD) With The Behavior Response (BR) Of The School Age Children After The Eruption of Mount Kelud at Puncu Village Puncu Subdistrict Kediri Regency”. Journal of Global Research in Public Health, vol. 1, no. 1, June 2016, pp. 17-24, https://www.jgrph.org/index.php/JGRPH/article/view/509.