Jelsma, I. Share this Send to email Authored by Jelsma, I. Publications Browse all Publication 2019 In search of sustainable and inclusive palm oil production: The role of smallholders in Indonesia Publication 2019 Certification, good agricultural practice and smallholder heterogeneity: Differentiated pathways for resolving compliance gaps in the Indonesian oil palm sector Publication 2019 Do wealthy farmers implement better agricultural practices? An assessment of implementation of Good Agricultural Practices among different types of independent oil palm smallholders in Riau, Indonesia