This book explains methods to increase sales and customer acquisition, useful for business strategy. - Title: The Equation for Increasing Sales and Customer Acquisition - Author: Noriyuki Takahashi - Publisher: PHP Institute - Price: 1500 yen (excluding tax) Please inquire if you have any questions about accessories or the condition of individual products. As this is a used item, there may be overlooked yellowing, stains, damage, or odors. Please refrain from purchasing if you are sensitive to these issues. Recycled packaging materials may be used. AI listing is used for the listing. The items are only those shown in the photos, and will be handed over as is. Thank you for viewing.