Synthesis of Fluorescence Chemosensor Pb2+ and Cu2+ Ions from Pyrazoline Derivatives Compounds with Lanthanum. ALKIMIA : Jurnal Ilmu Kimia dan Terapan, [S. l.], v. 7, n. 2, p. 347–354, 2023. DOI: 10.19109/alkimia.v7i2.28441. Disponível em: https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/28441.. Acesso em: 23 aug. 2025.