@book{834753,
	author = {Xueying Li and Panyapiwat Institute of Management},
	title = {Relationship Between Psychological Comtract and Professional Contribution of High-Tech Employees - A Case Study of Compant in Shandong},
	publisher = {Panyapiwat Institute of management,},
	year = {2020.},
	address = {Nonthaburi :}
}