RETY WINONAZADA; LISTIYAWATI NUGRAHA; S. KOESNARYO. Limestone Hardness Classification Based on Compressive Strength Value in Ponjong District, Semanu District, and Tanjungsari District, Gunung Kidul Regency, Yogyakarta. ReTII, [S. l.], p. 221–226, 2020. Disponível em: https://journal.itny.ac.id/index.php/ReTII/article/view/2051. Acesso em: 3 apr. 2025.