Haruay, S. and Piratae, S. 2023. Considering the role of the assassin snail Anentome helena as a biological control of Bithynia siamensis goniomphalos, the first intermediate host of Opisthorchis viverrini. Bioscience Journal . 39, (Jan. 2023), e39003. DOI:https://doi.org/10.14393/BJ-v39n0a2023-62710.