The Amino Acid Contents in Mangrove Rhizophora mucronata Leaves in Asahan, North Sumatra, IndonesiaSri S. Ningsih, Dafit Ariyanto, Dian Puspitasari, Anuraga Jayanegara, Hamim Hamim and Heru GunawanE3S Web Conf., 151 (2020) 01047DOI: https://doi.org/10.1051/e3sconf/202015101047