Attia, Mohana Faroug, and Abdelrahman A. Elbadawi. “The Efficacy of New Liquid Laser Dye Material – Chalcone: 1-(4-Methylsulfonyl Phenyl)-3-(4-N,N-Dimethyl (amino Phenyl)-2-Propen-1-One (MSPPP)”. Orbital: The Electronic Journal of Chemistry, vol. 14, no. 2, July 2022, pp. 82-88, https://doi.org/10.17807/orbital.v14i2.16192.