Affiliation: | 1. Department of Chemistry Education, Faculty Mathematic and Science, Universitas Negeri Yogyakarta, Karangmalang, Depok, Sleman, Yogyakarta 55281, Indonesia;2. Department of Chemistry, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia;3. Faculty of Pharmacy, Meijo University, Tempaku, Nagoya, Japan |