Many questions have been exposed in the evolution of Covid -19 in the World. This point is very important to see him and explain it because...
Authors: H.Miloud Ameur& Hamadouch Abed Coronavirus is spreading in many countries and societies in the world. These countries do not find the medicine to hinder its...
Next month, in February 2020 , the Hirak in Algeria will reach one year . The celebration of this event (49 weeks) has two main hypotheses:...
