Richards, J. The Economy of Workshop Manipulation A logical method of learning constructive mechanics. Arranged with questions for the use of apprentice engineers and students.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRichards, John. The Economy of Workshop Manipulation A Logical Method of Learning Constructive Mechanics. Arranged with Questions for the Use of Apprentice Engineers and Students.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRichards, John. The Economy of Workshop Manipulation A Logical Method of Learning Constructive Mechanics. Arranged with Questions for the Use of Apprentice Engineers and Students.
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