Use of chemical weapons in Syria: EU adds 4 persons to sanctions list, „Human Rights Documents Online”, DOI: 10.1163/2210-7975_hrd-9977-20180009 [dostęp 2022-07-06].
V.Yu.V.Y.AlekperovV.Yu.V.Y., N.N.N.N.LyashkoN.N.N.N., A.V.A.V.GavuraA.V.A.V., I.B.I.B.FedotovI.B.I.B., I.A.I.A.KibalenkoI.A.I.A., Application of horizontal wells to accelerate commissioning of wells and to increase development efficiency of offshore oil and gas fields in the Northern Caspian, „Neftyanoe khozyaystvo – Oil Industry” (1), 2018, s. 72–76, DOI: 10.24887/0028-2448-2018-1-72-76, ISSN0028-2448 [dostęp 2022-07-06].
V.Yu.V.Y.AlekperovV.Yu.V.Y., N.N.N.N.LyashkoN.N.N.N., A.V.A.V.GavuraA.V.A.V., I.B.I.B.FedotovI.B.I.B., I.A.I.A.KibalenkoI.A.I.A., Application of horizontal wells to accelerate commissioning of wells and to increase development efficiency of offshore oil and gas fields in the Northern Caspian, „Neftyanoe khozyaystvo – Oil Industry” (1), 2018, s. 72–76, DOI: 10.24887/0028-2448-2018-1-72-76, ISSN0028-2448 [dostęp 2022-07-06].