Simangunsong, H. S. M. U., B. C. H. Simangunsong, and E. G. T. Manurung. “Estimation of Indonesia Wooden Furniture Export Demand Function”. Jurnal Sylva Lestari, vol. 9, no. 3, Sept. 2021, pp. 357-6, doi:10.23960/jsl.v9i3.482.