Safitri DR, Cahyadi F, Ardiyanto A. Development of hydrological cycle learning media based on android application for fifth grade elementary school students. jbpd [nternet]. 2024 Jan. 29 [cited 2024 Jul. 22];8(1):53-65. vailable from: http://ejournal.unikama.ac.id/index.php/JBPD/article/view/9981