@incollection{Kasiran08,
author = {Zolidah Kasiran and Saadiah Yahya and Zaidah Ibrahim},
title = {Facial Expression Recognition as an Implicit Customers' Feedback},
booktitle = {Advances in Human Computer Interaction},
publisher = {IntechOpen},
address = {Rijeka},
year = {2008},
editor = {Shane Pinder},
chapter = {12},
doi = {10.5772/5930},
url = {https://doi.org/10.5772/5930}
}