POCHANAJUN, J.; JOMYIM, T. The Factors Affecting to Performance Efficiency of Professional Tourist Guides During the Situation of the Corona Virus Infection (COVID-19) in the Area of Nakhon Sawan Province. Arts of Management Journal, Bangkok, Thailand, v. 8, n. 2, p. 510–525, 2024. Disponível em: https://so02.tci-thaijo.org/index.php/jam/article/view/269422. Acesso em: 30 aug. 2026.