Thank you for viewing. ■ Please purchase only if you understand that this is non-cancellable and non-returnable. ■ Please refrain from purchasing if you are nervous about the condition. ■ We do not accept cancellations, returns, or refunds after purchase, regardless of the reason. 《Product Details》 ● Set of 2 books ● "Kogai Boshi Kanrisha Taiki Kankei Chosoku Master Dai 4 Han" (Pollution Control Manager Air Quality Super Speed Master 4th Edition) TAC Corporation (Kogai Boshi Kenkyukai) Price: ¥3,000 (excluding tax) ● "Kogai Boshi Kanrisha Shiken Taiki Kankei Koryaku Mondai Shu" 2024-2025 Edition (Pollution Control Manager Exam Air Quality Conquest Problem Collection) Ohmsha Price: ¥3,200 (excluding tax) ● The cover in image 4 was used from the time of purchase. There are no writings, but please purchase only if you understand that it has been used. ● I was able to pass the Air Quality Class 1 exam with these two books. For your reference. Conquest problem collection for the Pollution Control Manager exam, 2024 edition, approximately 300 pages. - Title: Kogai Boshi Kanrisha Shiken Taiki Kankei Koryaku Mondai Shu (Pollution Control Manager Exam Air Quality Conquest Problem Collection) - Edition: 2024 edition - Author: Yasuhiko Miyoshi - Series Name: Kogai Boshi Kanrisha Taiki Kankei Chosoku Master Dai 4 Han (Pollution Control Manager Air Quality Super Speed Master 4th Edition) - Publisher: TAC Publishing - ISBN: 978-4-900111-7 - ISBN: 978-4-272-20194-1 - Number of pages: Approximately 300 pages