To study the effect of potassium bisulphite as a food preservative.
Pdf link :👇 https://drive.google.com/file/d/1Yp0rg5aO14vsZbUEYctd7bX9iaFmpVz_/view?usp=drivesdk Word document link:👇 https://drive.google.com/file/d/1TcmRM1OiJmXyEUJ85HBYieQAdKxROB4r/view?usp=drivesdk