Praktek Kerja di PT. Kimia Farma Trading & Distribution Cabang Jakarta 1 Periode Maret 2022 "Validasi Suhu pada Chiller sebagai Alat Penyimpanan Produk Vaksin" = Internship at PT. Kimia Farma Trading & Distribution Jakarta Branch 1 on period March 2022 “Temperature Validation on Chiller as Vaccine Product Storage Tools”