Rahayu, Tri, Muhammad Ihsan, and Marlina Siregar. 2023. “Analysis Of Business Income Of Tofu Industry Production In North Labuhanbatu District”. EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi Dan Bisnis 11 (2), 1953 -. https://doi.org/10.37676/ekombis.v11i2.5762.