Items where Author is "Alvano, Otniel Giovany"

Thesis

Alvano, Otniel Giovany (2023) Hubungan Antara Konsep Diri dan Gratitude dengan Optimisme pada Karyawan Produksi. (The Relationship Between Self-Concept and Gratitude With Optimism in Production Employees). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.