Khairunisa, M., & Nur Azzimah, Z. (2015). Mechanical Properties of Oil Palm Shell Lightweight Aggregate Concrete Containing Palm Oil Fuel Ash as Partial Cement Replacement. Korean Society of Civil Engineers.

Khairunisa, Muthusamy, and Zamri Nur Azzimah. Mechanical Properties of Oil Palm Shell Lightweight Aggregate Concrete Containing Palm Oil Fuel Ash As Partial Cement Replacement. Korean Society of Civil Engineers, 2015.

Khairunisa, Muthusamy, and Zamri Nur Azzimah. Mechanical Properties of Oil Palm Shell Lightweight Aggregate Concrete Containing Palm Oil Fuel Ash As Partial Cement Replacement. Korean Society of Civil Engineers, 2015.