Industrial Hygiene and Occupational Safety Assessment in Khartoum North: A Case Study of Food and Beverages Industries. uoflej [انترنت]. 9 نوفمبر، 2022 [وثق 8 يوليو، 2026];3(1). موجود في: https://onlinejournals.uofk.edu/kuej/article/view/1098