@incollection{Wong10,
author = {Kok-Keong Chong and Chee-Woon Wong},
title = {General Formula for On-Axis Sun-Tracking System},
booktitle = {Solar Collectors and Panels},
publisher = {IntechOpen},
address = {Rijeka},
year = {2010},
editor = {Reccab Manyala},
chapter = {13},
doi = {10.5772/10341},
url = {https://doi.org/10.5772/10341}
}