فرودگاه بین‌المللی پورتلند (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "فرودگاه بین‌المللی پورتلند" in Persian language version.

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1prnewswire.com

406^th place

1,024^th place

1routesonline.com

2,079^th place

1,008^th place

1staradvertiser.com

3,950^th place

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1web.archive.org

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1^st place

1cathaypacific.com

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alaskaair.com

newsroom.alaskaair.com

"Alaska Airlines announces new long-haul service from Portland, Oregon and Los Angeles" (Press release). ۵ آوریل ۲۰۱۷. Retrieved 5 August 2017.
"Alaska Airlines and Virgin America announce new Dallas Love Field flying to Seattle; San Diego; San Jose, California; and Portland, Oregon" (Press release). Alaska Airlines. ۱۲ آوریل ۲۰۱۷. Retrieved 5 August 2017.
"Alaska Airlines and Virgin America announce new Dallas Love Field flying to Seattle; San Diego; San Jose, California; and Portland, Oregon" (Press release). Alaska Airlines. ۱۲ آوریل ۲۰۱۷.

cathaypacific.com

"Cathay Pacific expands cargo presence in the Americas with new freighter service to Portland" (Press release). Cathay Pacific. ۱۴ ژوئیه ۲۰۱۶. Archived from the original on 17 August 2016. Retrieved 2017-08-05.

delta.com

news.delta.com

"Delta and Aeromexico expand options for U.S.-Mexico travel". Delta Air Lines. May 2017. Retrieved 24 May 2017.

enelaire.mx

"Aeroméxico y Delta anuncian nuevas rutas y más frecuencias entre México y Estados Unidos" [Aeroméxico and Delta announce new routes and more frequencies between Mexico and the United States] (به اسپانیایی). EnElAire. May 2017. Retrieved 5 August 2017.

prnewswire.com

"Delta, Virgin Atlantic Add 50 Daily Seats Between Seattle and London, Launch Portland-London Service". Delta Air Lines.

routesonline.com

Liu, Jim (۸ ژوئیه ۲۰۱۶). "DELTA Adds Portland OR – London Heathrow from May 2017". Routes Online.

staradvertiser.com

Mykleseth, Kathryn (۲۴ ژوئیه ۲۰۱۷). "Hawaiian Air adding 3 routes between neighbor islands and West Coast". Honolulu Star-Advertiser.

usatoday.com

Mutzabaugh, Ben (۱۱ ژانویه ۲۰۱۷). "Alaska Airlines adds four routes from its Portland hub". USA Today.

web.archive.org

"Cathay Pacific expands cargo presence in the Americas with new freighter service to Portland" (Press release). Cathay Pacific. ۱۴ ژوئیه ۲۰۱۶. Archived from the original on 17 August 2016. Retrieved 2017-08-05.