Aprilianti, Mila, and Rahma Ngaisah. “Sistem Penjualan Di PT. Hae Indo Chemical Cikopo Purwakarta”. JAMMIAH (Jurnal Ilmiah Mahasiswa Ekonomi Syariah) 1, no. 2 (October 3, 2021): 47-75. Accessed April 26, 2025. https://journal.sties-purwakarta.ac.id/index.php/jammiah/article/view/182.