Kharisma Rajib, Rayi, et al. “ANALISIS KETERLAMBATAN PERINGATAN LETUSAN MERAPI 2010 OLEH BPPTKG TERHADAP PERTANIAN SAWAH DI SLEMAN”. Global Research and Innovation Journal, vol. 2, no. 2, May 2026, pp. 355-69, https://journaledutech.com/index.php/great/article/view/1233.