1. Aaker, D.A. (2012). Building Strong Brands. Free Press, New York, USA.
2. Characteristics of maize cultivars in Africa: How modern are they and how many do smallholder farmers grow?;Abate T;Agriculture & Food Security,2017
3. Access to Seeds Foundation. (2019). Access to Seeds Index 2019: synthesis report. World Benchmarking Alliance, Amsterdam, The Netherlands. Retrieved August 19, 2022, from accesstoseeds.org/app/uploads/2019/06/Access-to-Seeds-2019-Index-Synthesis-Report.pdf
4. Empirically distinguishing informative and prestige effects of advertising;Ackerberg DA;RAND Journal of Economics,2001
5. AFAP. (2019). Assessment of sustainable agro-dealer networks, full engagement materials from studies in Tanzania and Nigeria. Retrieved August 19, 2022, from https://www.afap-partnership.org/wp-content/uploads/2019/10/AFAP-Agro-dealer-Study_Full-Engagement- Materials.pdf