Ditya Wardana. “Pengeluaran R&D Dan Financial Sustainability Serta Peran Marketing Performance, Gross Margin, Dan Technological Performance Sebagai Variabel Mediasi”. Jurnal Manajemen 22, no. 2 (June 5, 2018): 168–185. Accessed November 23, 2024. http://ecojoin.org/index.php/EJM/article/view/357.