STUDY ON THE OPTION OF APPROPIATE SYSTEM OF WASTEWATER TREATMENT IN LOW-DENSED AREA

von UKITA, Masao
Veröffentlicht in Kankyō-Shisutemu-Happyōkai (1992 : Tokio) 1992 Kankyō Shisutemu kenkyu ronbun Happyokai (1992)

STUDY ON THE WATER QUALITY MANAGEMENT IN AN ENCLOSED SEA ARER

von UCHIDA, Tadashi
Veröffentlicht in Kankyō-Shisutemu-Happyōkai (1993 : Tokio) 1993 Kankyō Shisutemu kenkyu ronbun Happyokai (1993)

STUDY ON ECONOMICAL VALUE OF COASTAL AMENITY RESOURCES BASED ON QUESTIONAIRE SURVEY

von UCHIDA, Tadashi
Veröffentlicht in Kankyō-Shisutemu-Happyōkai (1992 : Tokio) 1992 Kankyō Shisutemu kenkyu ronbun Happyokai (1992)

THE PRESENT STATE OF ENVIRONMENTAL CARE IN SEWERAGE SYSTEMS

von UKITA, Masao
Veröffentlicht in Kankyō-Shisutemu-Happyōkai (1993 : Tokio) 1993 Kankyō Shisutemu kenkyu ronbun Happyokai (1993)

STUDY ON THE ENVIRONMENTAL IMAGE REFLECTED IN PRIMARY SCHOOL SONGS

von ISHIKAWA, Takashi
Veröffentlicht in Kankyō-Shisutemu-Happyōkai (1993 : Tokio) 1993 Kankyō Shisutemu kenkyu ronbun Happyokai (1993)