Eco-print on Recycle Paper and Fabric as Main Products of Business Development Program of Intellectual Property Campus of Universitas Sumatera Utara : Eco-print on Recycle Paper and Fabric . J.Saintech Transf. [Internet]. 2020 Jun. 29 [cited 2026 Feb. 4];3(1):1-11. Available from: https://idjpcr.usu.ac.id/jst/article/view/3917