A. Hoang Xuan Tu, Nguyen T. Tuyet Minh , "A study on the effect of coolant parameters to surface roughness in external cylindrical grinding of 90CrSi steel using Taguchi method ". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, Pp. 01 – 05. 2020.

OLAR HORATIU RAUL, AVRAM LAZAR, STAN MARIUS, "GAS DIFFUSIONS IN FLEXIBLE PIPELINES". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, pp. 06 – 11. 2020.

Sayed hussien Sayed hassanien, "BOND PERFORMANCE OF FIBER REINFORCED CONCRETE EXPOSED TO ELEVATED TEMPERATURES ". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, pp. 12 – 24. 2020.

Jessica Taveira da Rocha, Luiz Alberto Teixeira Oliveira, Felipe de Souza Lorenzeto, Ritler Barbosa Ramos, Tiago Bittencourt Nazareth, "Analysis and Evaluation of the Theory Queue Management in a Company Instrument Branch Musical". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, pp. 25 – 30. 2020.

OLAR HORATIU RAUL, AVRAM LAZAR, STAN MARIUS, "Environmental Protection within a Gas Production Section". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, pp. 31 – 37. 2020.

OLAR HORATIU RAUL, AVRAM LAZAR STAN MARIUS, "Comparative Study on the Introduction of Solid Foam Substances in Gas Wells to Remove Water from the Bottom of the Well ". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, pp. 38 – 45. 2020.

Radostina Stefanova, Antoaneta Georgieva, Krasimir Krastev, "Assessment of Extracts from dry Fruits Blackberry (Vaccinium Myrtillus L.) by Regression Analysis for of Amount Anthocyanins". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, pp. 31 – 37. 2020.

Radostina Stefanova, Antoaneta Georgieva, Krasimir Krastev, "Investigation of the Effect of Extraction Parameters on the Content of the General Phenolic Compounds and the Antiradical Activity of Extracts from dry Fruits Black Blueberry /Vaccinium Myrtillus L./And Black Currant /Ribes Nigrum L./". International Journal of Innovation Engineering and Science Research, Volume 4, Issue 2, pp. 57 – 66. 2020.