LIVER IMAN PUTRA ZAI Postgraduate Program of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, Indonesia Indonesia
SAHARMAN GEA Postgraduate Program of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No.1, Medan, 20155, Indonesia
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, 20155
Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Medan, Indonesia Indonesia
MARPONGAHTUN MARPONGAHTUN Postgraduate Program of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No.1, Medan, 20155, Indonesia
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, 20155
Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Medan, Indonesia Indonesia
EDDYANTO EDDYANTO Postgraduate Program of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Jl. W. Iskandar, Pasar V, Medan Estate, 20221, Indonesia
NUR AZIZAH Postgraduate Program of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No.1, Medan, 20155, Indonesia Indonesia
APRI H SISWANTO Department of Forest Product, Faculty of Forestry, Universitas Sumatera Utara, Jl. Tri Dharma, Medan, 20155, Indonesia
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, 20155
Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Medan, Indonesia