2022, The economic and social value of spa tourism: The case of balneotherapy in Maresme, Spain.

Torres-Prunonosa J., Raya IM, Crespo-Sogas P, Mur-Gimeno E.

PLoS One 2022; 17; e262428. Doi: 10.1371/journal.pone.0262428. eCollection 2022.

https://pubmed.ncbi.nlm.nih.gov/35100293/