Wasir, Adinda Putri Sudjono, et al. “The State of Soil Chemical Fertility in Pineapple Agrotourism Land, Bolaang Mongondow Regency”. Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal), vol. 3, no. 2, Dec. 2022, pp. 439-47, doi:10.35791/jat.v3i2.44864.