MARLIAH, Ai. UNSUR PENIPUAN USAHA ILEGAL DALAM SKEMA PIRAMIDA. Wacana Paramarta: Jurnal Ilmu Hukum, [S. l.], v. 20, n. 2, p. 97–102, 2021. DOI: 10.32816/paramarta.v20i2.116. Disponível em: https://journalfh.unla.ac.id/index.php/paramarta/article/view/116. Acesso em: 16 apr. 2026.