The Determination of Cation Exchange Capacity of Napa Soil in 50 Kota Regency using Atomic Absorption Spectrophotometer. EKSAKTA [Internet]. 2022 Jun. 30 [cited 2026 Sep. 28];23(02):64-77. Available from: http://eksakta.ppj.unp.ac.id/index.php/eksakta/article/view/314