https://xaydungtrangtrinoithat.com/phan-biet-phan-tho-va-hoan-thien-Phần thô và hoàn thiện trong xây dựng-xay-dung/ With thanks. Very good information. https://xaydungtrangtrinoithat.com/phan-biet-phan-tho-va-hoan-thien-trong-xay-dung/
