PENGARUH MICROBIALLY INDUCED CALCITE PRECIPITATION (MICP) TERHADAP PERILAKU KUAT GESER TANAH TERKONTAMINASI BATU BARA = THE EFFECT OF MICROBIALLY INDUCED CALCITE PRECIPITATION (MICP) ON THE SHEAR STRENGTH BEHAVIOR OF COAL CONTAMINATED SOIL - WAHYUNI, HASNIDAR (2021)