D. Popov, N. Boyadjiev, K. Kanalev, K. Indjian, I. Dimitrov, and P. Angelova, “CHANGE IN PEAK OXYGEN CONSUMPTION AND EXERCISE ECONOMY IN MALE AND FEMALE WEIGHTLIFTERS AFTER A 20-DAY TRAINING PROGRAM”, kij, vol. 63, no. 4, pp. 540–543, Mar. 2024.