[1]
Pingak, R.K., Kolmate, R. and Bernandus, B. 2019. A Simple Matrix Approach to Determination of the Helium Atom Energies. Jurnal Penelitian Fisika dan Aplikasinya (JPFA). 9, 1 (Jun. 2019), 10–21. DOI:https://doi.org/10.26740/jpfa.v9n1.p10-21.