Manoj Vacher. 1995. Petroleum geology of the northern part of the western basin, gulf of Thailand. Bangkok:Chulalongkorn University;
Manoj Vacher. (1995) Petroleum geology of the northern part of the western basin, gulf of Thailand (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Manoj Vacher. Petroleum geology of the northern part of the western basin, gulf of Thailand. Bangkok:Chulalongkorn University, 1995.
Manoj Vacher. (1995) Petroleum geology of the northern part of the western basin, gulf of Thailand (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.