Number 19

Authors: Virender Kumar Malhotra , Harleen Kaur , M. Afshar Alam

Authors: Nazar Elfadil , Sultan Aljahdali , Mohammed Moawad

Authors: Quist-aphetsi Kester , Laurent Nana , Anca Christine Pascu , Sophie Gire , Jojo M. Eghan , Nii Narku Quaynor

Authors: Quist-aphetsi Kester , Laurent Nana , Anca Christine Pascu , Sophie Gire , Jojo M. Eghan , Nii Narku Quaynor

Authors: Khurram Ali Shah , Ali Javed , Muhammad Irfan

Authors: Arjun Solanki , Ratna Gour

Authors: I. Hussain , N. Sarma , D. K. Saikia