@book{831633,
	title = {INTERNATIONAL SCIENTIFIC JOURNAL OF ENGINEERING AND TECHNOLOGY (ISJET) Volume 3  No. 1 January - June 2019},
	url = {https://isjet.pim.ac.th/uploads/content/2019/07/o_1dg4i1fms1uhe1g7t151ut631mq6a.pdf}
}