رابینسون هلیکاپتر (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "رابینسون هلیکاپتر" in Persian language version.

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ainonline.com

Huber, Mark (3 March 2015). "Robinson Boosts Production as Sales Surge, Strikes Deal for 1,000 Rolls-Royce Turboshafts". Aviation International News. Archived from the original on 1 April 2015. Retrieved 5 March 2015.

"Robinson Tri-Hinge Rotor Head R22 Helicopter". Redback Aviation (به انگلیسی). 2018-02-23. Retrieved 2019-06-16.

"Robinson Produces 10,000th Helicopter" (Press release). November 14, 2011. Archived from the original on 26 August 2018. Retrieved August 25, 2018.
Robinson Helipads بایگانی‌شده در دسامبر ۱۶, ۲۰۰۹ توسط Wayback Machine. Robinson Helicopter Company. Accessed May 12, 2010.

"Robinson Produces 10,000th Helicopter" (Press release). November 14, 2011. Archived from the original on 26 August 2018. Retrieved August 25, 2018.
Huber, Mark (3 March 2015). "Robinson Boosts Production as Sales Surge, Strikes Deal for 1,000 Rolls-Royce Turboshafts". Aviation International News. Archived from the original on 1 April 2015. Retrieved 5 March 2015.
Robinson Helipads بایگانی‌شده در دسامبر ۱۶, ۲۰۰۹ توسط Wayback Machine. Robinson Helicopter Company. Accessed May 12, 2010.