Understanding rice innovation needed for smallholder farmers in semi-arid area of East Nusa Tenggara, IndonesiaYohanis Ngongo, Alfonso Sitorus, Cristine W. Huwae, Rizky Prayogo Ramadhan and Nuning Argo SubektiE3S Web Conf., 306 (2021) 03009DOI: https://doi.org/10.1051/e3sconf/202130603009