Evaluation of the quality of commercial starter derivatives for use in yoghurt beverage productsMaghfirotul Amaniyah, Ajeng Devitasari, Jesika Putri Br Bangun, Dwi Ahmad Priyadi and Salvian Setyo PrayitnoBIO Web Conf., 143 (2024) 03001DOI: https://doi.org/10.1051/bioconf/202414303001