Minami Manshū Tetsudō Kabushiki Kaisha. Chōsaka., & Sada Kōjirō. (1927). Manshū nōgyn̄otokushitsu to Nichi-man nōgyō no hikaku kenkyū. [Dairen: Minami Manshū Tetsudō Kabushiki Kaisha Shomubu Chōsaka].
Petikan Gaya ChicagoMinami Manshū Tetsudō Kabushiki Kaisha. Chōsaka., and Sada Kōjirō. Manshū Nōgyn̄otokushitsu to Nichi-man Nōgyō No Hikaku Kenkyū. [Dairen: Minami Manshū Tetsudō Kabushiki Kaisha Shomubu Chōsaka], 1927.
Petikan MLAMinami Manshū Tetsudō Kabushiki Kaisha. Chōsaka., and Sada Kōjirō. Manshū Nōgyn̄otokushitsu to Nichi-man Nōgyō No Hikaku Kenkyū. [Dairen: Minami Manshū Tetsudō Kabushiki Kaisha Shomubu Chōsaka], 1927.
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