The Role of Farmer Group Heads in the Adoption of Rice Paddy Cultivation Innovations in Rangdumulya Village Fauziah Saraswati, Fatimah Azzahra, Muhamad Rom Ali Fikri International Journal of Agricultural Social Economics and Rural Development (Ijaserd) Vol. 4 No. 1 2024 DOI 10.37149/ijaserd.v4i1.1300