• The Studies on Urobilinogen Determination

• Cho Young-Chu

• Korean Journal of Environmental Health Society   1981  Volume.7  No.1 59 ~ 62

• A Study on Yeast and Mold Contamination of Fermented Milk Products in Korea

• Hong Jong-Hae

• Korean Journal of Environmental Health Society   1981  Volume.7  No.1 51 ~ 57

• The Study on Environmental Sanitation for Book-lending Shops in Inchon Area ( Illumination & CO )

• Won Jong-Man

• Korean Journal of Environmental Health Society   1981  Volume.7  No.1 43 ~ 49

• A Microbiological Study on the Tap Water in Seoul

• Cho Young-Chae

• Korean Journal of Environmental Health Society   1981  Volume.7  No.1 33 ~ 41

• An Experimental Study on the Chemical Values of the Tap Water in Seoul

• Hong Dai-Yong

• Korean Journal of Environmental Health Society   1981  Volume.7  No.1 21 ~ 31

• Analysis of Temperature Effect on Activated Sludge Process at Cheong-Gye Cheon Sewage Treatment Plan...

• Lee Eun-Kyung

• Korean Journal of Environmental Health Society   1981  Volume.7  No.1 9 ~ 20

• A Study on the Removal of Grease and Oill in the Treatment Plant

• Park Jae-Hyo

• Korean Journal of Environmental Health Society   1981  Volume.7  No.1 1 ~ 7