Tuas, Maria Angelina, et al. “Chemical Properties Identification of Entisol Soil in Dry Land, Sekon Village, Insana District, North Central Timor Regency –NTT”. Jurnal BETA (Biosistem Dan Teknik Pertanian), vol. 10, no. 2, Apr. 2022, pp. 396-01, doi:10.24843/JBETA.2022.v10.i02.p23.