TY  - SER
AU  - Arafa,Abdulrahim
AU  - Abu-Zaid,Muwafaq
AU  - Siddiqi,Ghulam Husain
TI  - Truck and central mixing mechanisms in saudi arabia: a critical evaluation
PY  - 2023///
KW  - Hormigon
KW  - Concreto
KW  - Cemento
ER  -