Identifikasi populasi mikroba sebagai indikator stabilitas dan kematangan kompos dengan metode in vessel system (Studi kasus sampah makanan dan sampah daun Fakultas Teknik UI = Identification of microbial populations as indicators of compost stability and maturity by using in vessel system (Case study food waste and leaves waste Faculty of Engineering UI / Chihiya Fitria Nurhayati (Fakultas Teknik Universitas Indonesia, 2014)