Farmers’ motivation to produce kopyor coconut: a case in Ngagel Village, Pati RegencyZuhud Rozaki, Alvin Mahardina, Mohd Fauzi Kamarudin, Muhamad Aziz Proklamalatu and Sri Sari UtamiE3S Web Conf., 316 (2021) 02039DOI: https://doi.org/10.1051/e3sconf/202131602039