Volume & Issue: Volume 27, Issue 6, November and December 2023 
Preliminary Study on Toxicity of Some Heavy Metals Towards the Ciliated Protozoan Paramecium sp.

Pages 1183-1197

Osama M. S. Mostafa; Amr B. Mostafa; Nourhan A. A. Abd El-Hady; Ahmed M. H. Nigm