KUMALA SARI, Asma’ul; MULYA SARI, Citra. PENGARUH MODAL KERJA, GROSS PROFIT MARGIN DAN NET PROFIT MARGIN TERHADAP PROFITABILITAS PT. HM SAMPOERNA TBK. SIBATIK JOURNAL: Jurnal Ilmiah Bidang Sosial, Ekonomi, Budaya, Teknologi, Dan Pendidikan, [S. l.], v. 1, n. 10, p. 2229–2240, 2022. DOI: 10.54443/sibatik.v1i10.304. Disponível em: https://publish.ojs-indonesia.com/index.php/SIBATIK/article/view/304. Acesso em: 28 jan. 2026.