Pasaribu FF, Daulay AS, Ridwanto R, Nasution MA. Determination of Protein Levels of Several Types of Beans (Fresh Red Beans, Green Beans, Soybeans) For Handling Stunting Using the Kjeldahl Method and Visible Spectrophotometry. JPS [Internet]. 2025 Dec. 22 [cited 2026 Jan. 26];8(4):2976-87. Available from: https://journal-jps.com/new/index.php/jps/article/view/1085