HANOI, March 31 (Xinhua) -- The prime ministers of Cambodia, Laos and Vietnam (CLV) on Saturday endorsed an action plan to connect CLV economies till 2030.

According to the action plan, Vietnam, Laos and Cambodia will focus on connecting their institutions and policies, infrastructure, especially transport and electricity, and human factors involving cooperation on education, training, healthcare and culture, Vietnamese Prime Minister Nguyen Xuan Phuc told reporters after the 10th CLV Summit on Development Triangle Area in Vietnam's capital.

The action plan and the 10th CLV Summit Joint Declaration will help boost comprehensive cooperation among the three nations, making the CLV an indispensable part of the ASEAN Community Vision 2025, and strengthen connectivity among the three economies, the Vietnamese prime minister said.

Better connectivity will help enhance the three countries' competitiveness, effectively participate in regional and global value chains and better respond to common challenges, he said.

At the summit, the three prime ministers also agreed to gradually expand the development of the triangle area which currently consists of 13 border provinces of Cambodia, Laos and Vietnam.

They also agreed to beef up cooperation to combat cross-border crimes, make an overall plan for fostering tourism in the development of the triangle area, to perfect a plan on developing the three countries' rubber industry, and to bolster cooperation on environment protection and natural resource management.

The CLV summit was also attended by top and senior officials of the Asian Development Bank, the World Bank and countries of the Association of Southeast Asian Nations (ASEAN).