Chandra, Agung. “Analysis of the Expected Cross Aisle Travel Distance: For Multi-Picks and Multi-Aisles Conditions”. Journal of Advance Research in Mechanical and Civil Engineering (ISSN: 2208-2379) 4, no. 1 (January 31, 2017): 01–06. Accessed November 10, 2024. http://13.234.107.90/index.php/MCE/article/view/309.