Soelaksono, Tedjo, Achmad Sudiro, Mintarti Rahayu, and Sudjatno Sudjatno. 2018. “ Innovation and Performance of the Company (a Study on Corporate Manufacturing Industry Group B Medium Sized Territory Gerbang Kertosusila”,. International Review of Management and Marketing 8 (2):22-32. https://econjournals.com/index.php/irmm/article/view/6035.