citation
Jelsma, I., Woittiez, L.S., Ollivier, J., Dharmawan, A.H. 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. Agricultural Systems, 170: 63-76. https://doi.org/10.1016/j.agsy.2018.11.004