https://www.wits.ac.za/linkcentre/governance-policy-and-regulation-for-the-digital-era/sutherland-2011---international-mobile-roaming-progress-and-challenges-in-african-markets/
Sutherland (2011) - International Mobile Roaming: Progress and Challenges in African Markets - Wits...
international mobile roaming
https://www.parrotmobile.com/international-roaming/saint-lucia
International Roaming Rates | Parrot Mobile - Parrot Mobile
Stay connected while traveling abroad with Parrot Mobile's international roaming. Use your phone in 200+ countries with simple pay-as-you-go rates.
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