Iwate-ken Suisan Shikenjō

• Iwate-ken Suisan Shikenjō jigyō hōkoku
• Shōwa 57-59-nendo shitei chōsa kenkyū sōgō josei jigyō hōkokusho (riyō kakō)
• Shōwa 58-nendo shitei chōsa kenkyū sōgō josei jigyō hōkokusho (riyō kakō)