Pennapa Kongtanasarasit. 2007. An appropriate guideline for limestone usage relating with local community : a case study at Khao Wong-Na-Phra-Lan area, Saraburi province. Field of Study Environmental Planning for Community and Rural Development, Mahidol University;
Pennapa Kongtanasarasit. (2007) An appropriate guideline for limestone usage relating with local community : a case study at Khao Wong-Na-Phra-Lan area, Saraburi province . Mahidol University/Bangkok.
Pennapa Kongtanasarasit. An appropriate guideline for limestone usage relating with local community : a case study at Khao Wong-Na-Phra-Lan area, Saraburi province. . Bangkok:Mahidol University, 2007.
Pennapa Kongtanasarasit. (2007) An appropriate guideline for limestone usage relating with local community : a case study at Khao Wong-Na-Phra-Lan area, Saraburi province . Mahidol University/Bangkok.