Yousof, H., Aidi, K., G.G. Hamedani and Mohamed Ibrahim 2021. A new parametric lifetime model with modified chi-square type test for right censored validation, characterizations and different estimation methods: A new parametric lifetime model with modified chi-square type test . Pakistan Journal of Statistics and Operation Research. 17, 2 (Jun. 2021), 399-425. DOI:https://doi.org/10.18187/pjsor.v17i2.3631.