PORTILLA JEN, PESÁNTEZ CVB, PILCO-CHAMBILLA FW, SÁNCHEZ LAA. GAMIFIED EDUCATIONAL ENVIRONMENTS: QUANTITATIVE ASSESSMENT OF THE LEVEL OF PARTICIPATION IN ONLINE EDUCATION SYSTEMS. TPM [Internet]. 2025 Aug. 11 [cited 2025 Dec. 16];32(S2 (2025): Posted 09 June):858-64. Available from: https://tpmap.org/submission/index.php/tpm/article/view/309