TY - BOOK AU - Ahmed Yousry Mohamed 135737 AU - Mahmoud Mohamed Ragab 133935 TI - Implementation of lean six-sigma and theory of constraints in yarn industry // GP // Dr. El-Awady Attia (2018) U1 - 621.38 PY - 2018/// CY - GIZA PB - MSA KW - Engineering KW - Industrial ER -