Log Category of Documents: Items #1-7: Two Letters of Appreciation and five Award Certificates, dtd between 1967 and 1968, reveal the following details:
Coordinate N/A
Keywords People Le Van Xuan, Mai Van Sau, Phan Tien Ngoc
Keywords Location N/A
Keywords Objects N/A
Summarize Letters of appreciation and awards for Mai Van Sau for outstanding achievements as a Sod Ldr and member of a pharmaceutical unit.