Muketha, Geoffrey Muchiri, Abdul Azim Abd Ghani, and Rodziah Atan . “Validating Structural Metrics for BPEL Process Models”. Journal of Web Engineering 19, no. 5-6 (October 28, 2020): 707–724. Accessed April 16, 2026. https://journals.riverpublishers.com/index.php/JWE/article/view/5733.