Agfanny, Ferruzi, 		Djayus, Djayus, AND 		Supriyanto, Supriyanto.
" TREN SAMBARAN PETIR CLOUD TO GROUND KOTA BALIKPAPAN TAHUN 2016-2018" <em>GEOSAINS KUTAI BASIN</em> [Online], Volume 3 Number 2 (28 August 2020)