Dearest German Bautista,

                                                   i have done this as part of my phd research too and has published some papers. you can have a look at: A systems thinking approach to address the complexity of agribusiness for sustainable development in Africa: A case study in Ghana, Systemic intervention to tackle the constraints and challenges facing stakeholders and the performance of the agricultural sector in Ghana, and Using System Archetypes to Identify Drivers and Barriers for Sustainable Agriculture in Africa: A Case Study in Ghana.

Hope it helps you,

Regards,

Banson