“The Impact of Humor Marketing in Achieving Customer Happiness: An Analytical Study of A Sample of Employees of Three Electrical Appliances Trading Companies (Balsan, Al-Hafdh and Shinon)”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), vol. 53, no. 1, Aug. 2023, pp. 231-49, https://doi.org/10.55562/jrucs.v53i1.570.