Herawadi, D. (2017) “ANALISIS KESTABILAN LERENG PIT C4 DAN D2 ROTO SELATAN PT. PAMAPERSADA NUSANTARA DISTRIK KIDECO KALIMANTAN TIMUR”, JURNAL TEKNOLOGI TECHNOSCIENTIA, 9(2), pp. 118–124. doi: 10.34151/technoscientia.v9i2.131.