Windriyanti , Wiwin, Tri Mujoko, and Tesha Lutfika Ratri. 2020. “Diversity of Insects Useful Rice in Refugia Plants Around Organic Rice Fields in Ngompro Vilage, Ngawi Regency ”. Nusantara Science and Technology Proceedings, December, 62-70. https://doi.org/10.11594/nstp.2020.0607.