@article{repository17998, title = {The Effect of HPMC Concentration as a Gelling Agent on Color Stability of Copigmented Blush Gel Extract of Purple Sweet (Ipomoea Batatas (L.) Lam.)}, journal = {IOP Conference Series: Earth and Environmental Science}, publisher = {IOP Conference Series: Earth and Environmental Science}, url = {http://repository.uhamka.ac.id/id/eprint/17998/}, author = {Fitria Nugrahaeni, Fitria} }