A bibliography of occupational health and safety in the Philippines (1949-1989)

書誌詳細
第一著者:	Wolff, Hans-Juergen
フォーマット:	図書
言語:	English
出版事項:	Manila : Edith Flores Wolff & Hans-Juergen Wolff c1990.
主題:	Industrial hygiene > Bibliography. > Philippines. Industrial safety > Bibliography. > Philippines.