Simanjuntak, Marihot, April Gunawan Malau, and Larsen Barasa. 2019. “Optimization of Web-Based Bill of Lading Document Issuance Mechanism to Improve PT. Container Maritime Activities Jakarta”. International Review of Management and Marketing 9 (6):32-37. https://econjournals.net.tr/index.php/irmm/article/view/8735.