@article{articleda2b2a00,
title   = {TLC Procedure for Determination of Approximate Contents of Caffeine in Food and Beverages},
author = {Palacios, Carmen and Salatino, Maria Luiza Faria and Salatino, Antonio},
year = {2017},
doi = {10.12691/wjce-5-5-1},
journal   = {World Journal of Chemical Education}
}