Wijaya TA, Harianto E. Marketing Innovation Strategy Design to Increase Paper and Packaging Sales with the Blue Ocean Strategy Method: Case Study on Wijaya’s Paper. GRDIS [Internet]. 2025 Feb. 1 [cited 2026 Apr. 20];5(1):155-62. Available from: https://goldenratio.id/index.php/grdis/article/view/872