Yusuf Hilman, M.; Endah Mochtar, N.; Soendiarto, S. Determination of the Composition of Fly Ash, Bottom Ash and Lime or Cement Mixtures As Road Base Material. Case Study: Road Preservation of Sp. Kereng - Bereng Bengkel – Pilang – Pulang Pisau, Central Kalimantan. JIFAM 2025, 6, 1-16.