Tuas, M.A. et al. 2022. Chemical Properties Identification of Entisol Soil in Dry Land, Sekon Village, Insana District, North Central Timor Regency –NTT. Jurnal BETA (Biosistem dan Teknik Pertanian). 10, 2 (Apr. 2022), 396–401. DOI:https://doi.org/10.24843/JBETA.2022.v10.i02.p23.