Meyersohn, Nathaniel (2022 թ․ հուլիսի 10). «Nobody likes self-checkout. Here's why it's everywhere». cnn.com. CNN. Վերցված է 2023 թ․ ապրիլի 17-ին. «Self-checkout lines get clogged as the customers needed to wait for store staff to assist with problems with bar codes, coupons, payment problems and other issues that invariably arise with many transactions»
Bajaj, Komal; Mirka, Gary A.; Sommerich, Carolyn M.; Khachatoorian, Haig (2006 թ․ մարտի 31). «Evaluation of a Redesigned Self-Checkout Station for Wheelchair Users». Assistive Technology. 18 (1): 15–24. doi:10.1080/10400435.2006.10131903. PMID16796238. S2CID14568951.
Bajaj, Komal; Mirka, Gary A.; Sommerich, Carolyn M.; Khachatoorian, Haig (2006 թ․ մարտի 31). «Evaluation of a Redesigned Self-Checkout Station for Wheelchair Users». Assistive Technology. 18 (1): 15–24. doi:10.1080/10400435.2006.10131903. PMID16796238. S2CID14568951.
Bajaj, Komal; Mirka, Gary A.; Sommerich, Carolyn M.; Khachatoorian, Haig (2006 թ․ մարտի 31). «Evaluation of a Redesigned Self-Checkout Station for Wheelchair Users». Assistive Technology. 18 (1): 15–24. doi:10.1080/10400435.2006.10131903. PMID16796238. S2CID14568951.