Source rock formation evaluation using TOC & Ro log model based on well-log data procesing: study case of Ngimbang formation, North East Java basinYosar Fatahillah, Widya Utama, Kukuh Suprayogi, Anik Hilyah and Iqbal MaulanaMATEC Web Conf., 101 (2017) 04016DOI: https://doi.org/10.1051/matecconf/201710104016