Calcium soap from palm fatty acid distillate (PFAD) for ruminant feed: quality of calcium sourceLienda A. Handojo, Antonius Indarto, Dian Shofinita, Anggina Meitha, Rakhmawati Nabila and Harry TriharyogiMATEC Web Conf., 156 (2018) 02007DOI: https://doi.org/10.1051/matecconf/201815602007