Comments on: Using Mobile Airtime Credits to Incentivize Learning, Sharing and Survey Response: Experiences from the Field https://compass.acm.org/2021/02/08/using-mobile-airtime-credits-to-incentivize-learning-sharing-and-survey-response-experiences-from-the-field/ Computing and Sustainable Societies Tue, 09 Feb 2021 00:46:57 +0000 hourly 1 https://wordpress.org/?v=5.8