Abstract
<jats:p>This guidebook presents practical experiences in promoting collaboration between producer communities and cooperative retail stores across 100 selected cooperatives in West Java since 2019. It highlights strategies to strengthen cooperative-based economic systems through scaling production, reducing operational costs, and improving distribution efficiency. The book covers four main topics: resource capacity assessment, cooperative business potential analysis, market demand measurement, and collaboration models between producer and consumer cooperatives. Each section is supported by theoretical explanations, training activities, and practical exercises aimed at fostering inclusive and sustainable economic growth.</jats:p>