Situmorang, A. P., R. Oktaviani, S. Dina Devi, A. . Winarno, and A. Juvensius Pontus. “ANALISIS TINGKAT DISINTEGRASI BATULANAU BERDASARKAN PENGUJIAN SLAKING INDEX DI KOTA SAMARINDA PROVINSI KALIMANTAN TIMUR: ANALYSIS OF THE DISINTEGRATION RATE OF BATULANAU BASED ON THE SLAKING INDEX TEST IN SAMARINDA CITY, EAST KALIMANTAN PROVINCE”. JURNAL TEKNIK PERTAMBANGAN, vol. 23, no. 2, Aug. 2023, pp. 40-46, doi:10.36873/jtp.v23i2.10525.