Vol. 12 No. 33 (2021): Journal of the University of Zulia, Volume 12, Number 33, Exact, Natural and Health Sciences, May-August 2021

Reyber Parra Contreras

Mikhail Vladimirovich Taldykin

Nelson Chuquihuanca Yacsahuanca , Mirtha Mercedes Fernández Mantilla, Ronald Adrián Girón Valenzuela , Carlos Enrique Vásquez Llamo, Lucía María Ganoza Ubillús

Iuliia Pinkovetskaia , Yulia Nuretdinova , Ildar Nuretdinov , Natalia Lipatova

Liz Jhoana Astonitas Carrasco, Elí Pariente Mondragón, Manuel Emilio Milla Pino

Yevhen Leheza , Svitlana Tiutchenko , Olha Stanina , Serhii Shatrava , Serhii Rezanov

Mariia Bobrova , Olena Holodaieva , Svitlana Koval , Olha Tsviakh , Olena Kucher

Oleh Kyrychenko , Yuliia Khrystova , Oleksandra Skok , Taisiia Shevchenko , Oleh Litun

V.G. Kaishev , O.V. Sycheva

Vladimir A. Chechko

Huber Rodríguez Nomura, Carlos Rodríguez Benites , Erick Salazar Montoya , José A. Rodríguez Kong , Marcial Vásquez Arteaga

Nicole Sánchez-Miranda, Manuel-Jesús Sánchez-Chero , Carmen Elvira Rosas-Prado , Max Fernando Urbina-Cárdenas , José-Antonio Sánchez-Chero

Gladys Bernardita León Montoya , Sonia Tejada Muñoz , Mariel del Rocío Chotón Calvo , María Esther Saavedra Chinchayán

María del Pilar Quezada Castro, María del Pilar Castro Arellano , Juan Manuel Oliva Núñez, Carlos Ignacio Gallo Aguila , Guillermo Alexander Quezada Castro

Luz Angélica Atoche-Silva, Víctor Eduardo Horna-Calderón, Oscar Manuel Vela -Miranda, Manuel Jesús Sánchez-Chero

Felix Pompeyo Ferro Mayhua , Polan Franbalt Ferro-Gonzales, Luis Jhordan Rossel Bernedo , Lucio Ticona Carrizales , Victor Meliton Zanabria Huisa

Madina Yuzbashova

Aksana Muhamedovna Kardangusheva , Inna Fuadovna Pshigotizheva , Leila Dadashevna Kardanova , Sofiat Khasenovna Sizhazheva , Svetlana Zaurovna Shigalugova , Inna Mukhamedovna Dudarova

Tamara Muratovna Khokonova , Sofiat Khasenovna Sizhazheva , Zhaneta Huseynovna Sabanchieva , Marina Tembulatovna Nalchikova , Jannet Anvarovna Elmurzayeva , Dzhanneta Magometovna Urusbieva , Inara Aslanovna Khakuasheva , Svetlana Sergeevna Solyanik

Angela Yurievna Dolova , Inga Arsenovna Kodzokova , Aksana Muhamedovna Kardangusheva , Irina Khasanbievna Borukaeva , Fatima Batalovna Gamaeva , Elizaveta Alikovna Sharibova , Asiyat Nikolaevna Malukhova

Sandra Pazmiño , Karla Cedeño, Nelson Meza , César Muñoz , Yandri Ponce , Shirley Perero

Rita Briones , Marcela Cobeña , Viviana Moreira

I.V. Kramar , A. B. Nevinsky , K. O. Kaplunov

Oleg Mikhailovich Kuzminov , Kirill Ivanovich Prashchayeu , Olesya Viktorovna Bochko , Eleonora Viktorovna Mudrakovskaya , Lilia Aleksandrovna Krupenkina , Irina Viktorovna Sinitsa

Alla Ivanovna Ovod , Tatyana Anatolievna Oleynikova , Tatyana Ivanovna Urusova , Tatyana Vasilievna Reztsova , Vladimir Olegovich Ulyanov , Olga Valentinovna Menshikova

Witre Omar Padilla , Manuel Emilio Milla Pino , River Chávez Santos

Witre Omar Padilla , Manuel Emilio Milla Pino , River Chávez Santos

Tamara Gumarovna Tlupova , Diana Arsenovna Teuvazhukova , Aslan Alekseevich Teuvov , Arthur Mukharbievich Baziev , Irina Korneevna Tkhabisimova , Aslan Zhamalovich Zhashuev

Sanguinetty Sanguinetty , Beatriz Quintero , José Hernández , John Quintero , Jonathan La Cruz