Gatseva, P., Vladeva, S., Chardaclieva, N. Subjective assessment of fatigue and stress reaction in schoolchildren from the mathematical high school in Pazardjik. София: 2004 68-72,.
Gatseva, P., Vladeva, S., Chardaclieva, N. Subjective assessment of fatigue and stress reaction in schoolchildren from the mathematical high school in Pazardjik. София: 2004 68-72,.
Gatseva, P., Vladeva, S., Chardaclieva, N. (2004) Subjective assessment of fatigue and stress reaction in schoolchildren from the mathematical high school in Pazardjik, София: 68-72,.
Gatseva, P., Vladeva, S., & Chardaclieva, N. (2004). Subjective assessment of fatigue and stress reaction in schoolchildren from the mathematical high school in Pazardjik. София: 68-72.
Gatseva P, Vladeva S, Chardaclieva N. Subjective assessment of fatigue and stress reaction in schoolchildren from the mathematical high school in Pazardjik. София: 2004. p. 68-72.