Preface Widodo, Triyono, Susanawati, Nur Rahmawati, Zuhud Rozaki, Retno Wulandari, Masateru Senge, Modh Fauzi Kamarudin, Malose Moses Tjale, Yuli Witono and Jangkung Handoyo Mulyo E3S Web of Conf., 444 (2023) 00001 Published online: 14 November 2023 DOI: 10.1051/e3sconf/202344400001