Penerapan Kaizen Untuk Mempertahankan Pelanggan Pada Masa Pandemi Covid-19 di Perusahaan Jasa Freight Forwarding (Studi Kasus Pada PT. Matrix Logistic Indonesia): Application of Kaizen to Retain Customers During the Covid-19 Pandemic in a Freight Forwarding Service Company (Case Study at PT. Matrix Logistic Indonesia). (2024). Jurnal Matemar (Manajemen Dan Teknologi Maritim), 4(1). https://doi.org/10.59225/fv28nt09