Электронный ресурс (аналит. описание)

Millers, Janis.
Possibilities of biogas production from livestock waste in Latvia [Электронный ресурс] / J. Millers, I. Pilvere // Proceedings of the 2021 International Conference Economic science for rural development 11-14 May 2021, Jelgava, Latvia : 22nd Inter. Sci. Conf. / Latvia Univ. of Life Sciences and Technologies [et al.]; ed. in chief. A. Auzina. – Електрон. кн. – Jelgava : [s. n.], 2021. – pp. 424-432.