https://www.goodreads.com/quotes/15008688-alaska-travels-what-is-the-cheapest-day-to-book-flights-on

https://stemcell.keck.usc.edu/wp-content/uploads/wp_dndcf7_uploads/wpcf7-files/921e719e-8a0c-47e6-b1e6-88ed899143c9/TTRYRU.pdf

https://www.buzzfeed.com/neosairlines76970

https://www.goodreads.com/quotes/15008651-alaska-travels-what-day-does-alaska-airlines-drop-prices-alaska-airlines

https://stemcell.keck.usc.edu/wp-content/uploads/wp_dndcf7_uploads/wpcf7-files/921e719e-8a0c-47e6-b1e6-88ed899143c9/TRUE.pdf

https://stemcell.keck.usc.edu/wp-content/uploads/wp_dndcf7_uploads/wpcf7-files/921e719e-8a0c-47e6-b1e6-88ed899143c9/TOTA.pdf

https://www.albany.com/event/full-list-of-trvelocity-customer-service-usa-contact-numbers-a-complete-guide-269968/

https://www.albany.com/event/full-list-of-el-al-israel-airlines-customer-service-247-talk-to-person-support-an-explained-guide-269963/

https://stemcell.keck.usc.edu/wp-content/uploads/wp_dndcf7_uploads/wpcf7-files/921e719e-8a0c-47e6-b1e6-88ed899143c9/TOPNOTCH.pdf

https://www.goodreads.com/quotes/15008595-alaska-travels-what-day-is-the-cheapest-to-buy-alaska