Comparison of the change in viscosity of a polyvinyl alcohol solution by adding Polyethylene glycol and Polyvinylpyrrolidone to solutions of Polyvinylalcohol
Maǧallaẗ ǧāmiʻaẗ kirkūk. Al-dirāsāt al-ʻilmiyyaẗ/Mağallaẗ ğāmiʿaẗ Kirkūk. Al-dirāsāt al-ʿilmiyyaẗ