Ahmad, M., Md Isa, I., & Saleh, M. I. (2019). Penentuan Pemalar-Pemalar Kestabilan Kompleks-Kompleks Lantanida La(III), Pr(III), Eu(III), Ga(III), Er(III) dan Lu(III) dengan Terbitan-Terbitan Berfluorin 1-Fenil-3-Metil-4-Benzoil-5-Pirazolona (HPMBP) dengan menggunakan Kaedah Pentitratan: Determination of the Stability Constants of the Complexes of Lantanides La(III), Pr(III), Eu(III), Ga(III), Er(III) and Lu(III) with Fluorinated Derivatives of 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone (HPMBP) by Using Titration Method. Journal of Science and Mathematics Letters, 3(2), 1-10. https://ejournal.upsi.edu.my/index.php/JSML/article/view/411