Institutional strengthening of farmer groups on sustainable intercropping in Majalengka Regency, West Java ProvinceSiti Sehat Tan, Rima Purnamayan, Adhe Phoppy WE, Sigid Handoko, Catur Oktivian I.H. and Muhammad YusronE3S Web Conf., 306 (2021) 02038DOI: https://doi.org/10.1051/e3sconf/202130602038