Nattaporn Tungcharoenchai และ Krittima Intagoon. (2023) VALUE STREAM MAPPING ANALYSIS AND TRANSPORTATION IMPROVEMENT FOR TOBACCO SUPPLY CHAIN: A CASE STUDY OF TOBACCO FARMERS GROUP AT SI SAMRONG DISTRICT, SUKHOTHAI PROVINCE. <i>Life Sciences and Environment Journal</i>, <i>24</i>(2), 535-552.Nattaporn Tungcharoenchai และ Krittima Intagoon. "VALUE STREAM MAPPING ANALYSIS AND TRANSPORTATION IMPROVEMENT FOR TOBACCO SUPPLY CHAIN: A CASE STUDY OF TOBACCO FARMERS GROUP AT SI SAMRONG DISTRICT, SUKHOTHAI PROVINCE". Life Sciences and Environment Journal 24 (2023):535-552.Nattaporn Tungcharoenchai และ Krittima Intagoon. VALUE STREAM MAPPING ANALYSIS AND TRANSPORTATION IMPROVEMENT FOR TOBACCO SUPPLY CHAIN: A CASE STUDY OF TOBACCO FARMERS GROUP AT SI SAMRONG DISTRICT, SUKHOTHAI PROVINCE. Pibulsongkram Rajabhat University:ม.ป.ท. 2023.