HARYANTO, Agus. Preface. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), [S. l.], v. 10, n. 4, 2021. DOI: 10.23960/jtep-l.v10i4.%p. Disponível em: https://jtep.fp.unila.ac.id/index.php/JTP/article/view/5567. Acesso em: 5 jul. 2026.