[1]
Paunkov, N., Popov, R., Manatbayev, R., Kalasov, N., Zulbuharova, E., Tulepbergenov, A., Nedelcheva, S. and Georgiev, A. 2017. Efficiency comparison of photovoltaic and photovoltaic-thermal solar panels. International Journal of Mathematics and Physics. 8, 1 (Jun. 2017), 28–33. DOI:https://doi.org/10.26577/ijmph.2017.v8.i1.05.