FURBO, Simon, et al. “PVT TRAINING MODULE FOR VOCATIONAL SECONDARY EDUCATION: A FINAL VERSION”. Taikomieji Tyrimai Studijose Ir Praktikoje - Applied Research in Studies and Practice, vol. 18, no. 1, Dec. 2022, pp. 24-30, https://ojs.panko.lt/index.php/ARSP/article/view/172.