@article{lópez-martínez_palao_ortega_garcía-de-alcaraz_2020,  title={EFFICACY AND MANNER OF EXECUTION OF THE SERVE IN TOP-LEVEL WOMEN'S BEACH VOLLEYBALL PLAYERS},  volume={31},  ISSN={2448-2455},  url={https://doi.org/10.4025/jphyseduc.v31i1.3142},  DOI={10.4025/jphyseduc.v31i1.3142},  journal={Journal of Physical Education},  publisher={Universidade Estadual de Maringá},  author={López-Martínez, Ana Belén and Palao, José Manuel and Ortega, Enrique and García-de-Alcaraz, Antonio},  year={2020},  pages={e3142} }