The Effect of Binding Types on the Biomass Briquette Calorific Value from Cow Manure as a Solid Energy SourceAmanda Anatasya, Ngurah Ayu Ketut Umiati and Agus SubagioE3S Web Conf., 125 (2019) 13004DOI: https://doi.org/10.1051/e3sconf/201912513004