Torimtubun, A. A. A., L. K. Singagerda, and L. Ernawati. “The Training of Tempeh Yoghurt and Tempeh Brownies Production As an Effort to Increase the Sell-Ing Value of Tempeh in the Somber Small Industrial Estate, Balikpapan”. Berdikari: Jurnal Pengabdian Masyarakat Indonesia, Vol. 1, no. 2, Dec. 2018, pp. 69-79, https://jurnaljpmi.com/index.php/jpmi/article/view/16.