Worcester in Cebu Filipino response to American business, 1915-1924 by Mojares, Resil B.

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The effects of oil increases on the Colombian economy by Otero, Diego

Macro-economic effects and policy implications of higher oil prices in Costa Rica by Lizano, Eduardo

Essential oils and natural products.

Drilling engineering a complete well planning approach by Adams, Neal J.

Development, try-out and evaluation of enrichment activities on the extraction of oil from flowers by Sabando, Emelinda P.

Introduction to miner fishery products in the Philippines by Espejo-Hermes, Jasmin

A Systems study on the Energy Research and Development Division of the Philippine National Oil Company

Handbook of drilling practices by Davenport, Byron

Economic evaluation of the Philippine alcogas and cocodiesel programs by Armas, Armando