Helminth eggs assessment of fecal sludge in urban area of Bandung, Indonesia Barti Setiani Muntalif, Mayrina Firdayati, Febrian Dwi Lesmono, Anya Sally Vatima Siregar, Peni Astrini Notodarmojo and Inat Shani Fathuna E3S Web Conf., 148 (2020) 04002 Published online: 05 February 2020 DOI: 10.1051/e3sconf/202014804002