Nugroho, M. O. B.; Rizkianto, Y.; Yuditama, R. R.; Ryan, A.; Maulana, A. The Sedimentary Process of Sand Deposits in Bogowonto River, Purworejo, Central Java, and Progo River, Kulonprogo, Yogyakarta Using Granulometric Analysis. Eksplorium: Bul. Pus. Bang. BGN 2021, 42, 91-98.