Dr. Darshan Vyas, Imaran J Makrani and Dainik Desai (2024) “Development And Validation Of The Human Concentration Counter: A Novel Electronic Instrument For Measuring Subjective Time Perception”, Revista Electronica de Veterinaria, 25(1), pp. 3877-3883. doi: 10.69980/redvet.v25i1.1790.