Indrayanti, Asro Laelani, et al. “Studi Kasus Analisis Pendapatan Usaha Keripik Kalakai Imur Di Kota Palangka Raya: Case Study Analysis of Operating Revenues Kelakai Chip in the City of Palangka Raya”. Daun: Jurnal Ilmiah Pertanian Dan Kehutanan, vol. 3, no. 1, June 2016, pp. 1-6, https://doi.org/10.33084/daun.v3i1.154.