Leadership Style, Employee Engagement, and Work Environment to Employee Performance in Manufacturing CompaniesKenny Adrian Putra Ariussanto, Zeplin Jiwa Husada Tarigan, Rismawati Br Sitepu and Sanju Kumar SinghSHS Web Conf., 76 (2020) 01020DOI: https://doi.org/10.1051/shsconf/20207601020