Ujiningtyas, Resti, Department of Chemistry, Faculty of Mathematic and Natural Sciences, Semarang State University
Ulfa, Maria, Chemistry Department, Faculty of Mathematics and Natural Science, University of Mataram
Ulwan, Nashih, Departement of Chemistry, Faculty of Science and Technology, Universitas Jambi Jl. Jambi-Ma Bulian Km. 15, Mendalo Darat, Jambi, 36361, Indonesia
Ulya, Lulu’atul Hamidatu, Department of Chemistry Science and Technology Faculty Universitas Islam Negeri Maulana Malik Ibrahim Malang
Umedi, Ibnu Umarudin, Program Studi Kimia Fakultas Sains dan Teknologi Universitas Islam Negeri Syarif Hidayatullah Jakarta
Usman, Mohammad Rofik, Pharmacy Study Program, STIKES Banyuwangi, Jl. Letkol Istiqlah No. 109, Banyuwangi, 68422, Indonesia