Marwa S. Al-howach, Zaineb O Ettarhouni, Abdulhakim A. Jangherb 2020. Studying the rheological properties of poly(vinyl pyrrolidone) in chloroform solutions . Journal of Pure & Applied Sciences . 19, 2 (Aug. 2020), 1–5. DOI:https://doi.org/10.51984/jopas.v19i2.723.