Paryati, Retno, AND 		Edison, Acep.
" EFEK BIAYA PRODUKSI, VOLUME PENJUALAN  TERHADAP PROFITABILITAS  (Studi  Empiris di PT. Lembaga Elektronik Nasional )" <em>Jurnal TEDC</em> [Online], Volume 13 Number 1 (16 April 2019)