Atomic force microscopy study of surface microstructure properties of hydroxypropylcellulose/cinnamaldehyde composite biofilmAta Aditya Wardana, Laras Putri Wigati, Xi Rui Yan, Francis Ngwane Nkede, Jakia Sultana Jothi, Tran Thi Van, Fumina Tanaka and Fumihiko TanakaE3S Web Conf., 425 (2023) 01009DOI: https://doi.org/10.1051/e3sconf/202342501009