Kurniawan, M. R., and F. Althalets. “Analysis Of Product Development To Increase Market Share At Roti Gembong Jagoan Mama Samarinda MSMEs”. Jurnal Ekonomi, vol. 13, no. 03, July 2024, pp. 259-68, https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/4985.