Siahaan MI, Rosmaini E. Use of Classification and Regression Tree (CART) Method for Classification of Labor Force Participation Levels in Medan City in 2019. F.JMPM [Internet]. 29 Agustus 2022 [dikutip 19 Oktober 2025];5(2):95-103. Tersedia pada: https://siakad.univamedan.ac.id/ojs/index.php/JMPM/article/view/386