Anggraeni, Dhea Yunita, et al. “Analisis Komoditas Perkebunan Unggulan Di Kabupaten Purworejo Jawa Tengah”. Journal of Agricultural Social and Business, vol. 1, no. 1, Aug. 2022, pp. 32-37, https://jurnal.upnyk.ac.id/index.php/asb/article/view/7672.